#Table: cats/aliases/C/Cederblad//refs.dat (http://cdsarc.cds.unistra.fr)
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  1|Adams, W. S.; Pease, F. G. The spectrum of T Tauri. Publ.ASP 27 p 132, 1915.
  2|Aitken, R. G. Variations in the spectrum of the Orion nebula. ApJ 6 p 365,
  2|1897.
  3|Alexandrowa, A. Ueber die Moglielikeit einer Wirkung des grossen Orionnebels
  3|auf die Eigenbewegungen der Sterne. AN 258 col 1, 1936.
  4|Aller, L. H; Baker, J. G.; Menzel, D. H. Physical processes in gaseous
  4|nebulae 6: The equations of radiative transfer. ApJ 89 p 587, 1939.
  5|Aller, L. H; Baker, J. G.; Menzel, D. H. Physical processes in gaseous
  5|nebulae 8: The ultraviolet radiation field and electron temperature of an
  5|optically thick nebula. ApJ 99 p 601, 1939.
  6|Aller, L. H; Baker, J. G.; Menzel, D. H. Radiative transfer and Balmer
  6|decrement in the gaseous nebulae. Publ.AAS 9 p 216, 1939.
  7|Amaphtunshy, A. [The Orion nebula.] RAG 17 p 12 (Russian), 1911.
  8|Amharzumian, V. A. The excitation of the metastabile states in the gaseous
  8|nebulae. Pulkova Circ 6 p 10, 1933.
  9|Amharzumian, V. A. On the ionisation in the nebular envelope surrounding a
  9|star. MN 95 p 469, 1935.
 10|Ambarzumian, V. A.; Gordeladse, S. G. Problem of diffuse nebulae and cosmic
 10|absorption. Abastumani Bull 2 p 37,1938.
 11|Ambronn, L. Ausmessung des Trapezes im Orionnebel. AN 130 col 97, 1892.
 12|Andrews, L. B. Dark nebulosity near S Monocerotis. Publ.AAS 7 p 211, 1933.
 13|Anger, C. J. A study of hydrogen lines in two galactic clusters. Harvard
 13|Circ 352, 1930.
 14|Anger, C. J. A spectroscopic determination of the distances of five galactic
 14|clusters. Harvard Circ 362, 1931.
 15|Anger, C. J. Bright-line B-stars in the direction of NGC 2244. Harvard Bull
 15|892 p 24, 1933.
 16|Archenhold, F. S. Ein ausgedehnter Nebel bei {ksi} Persei. AN 129 col 153,
 16|1892.
 17|Archenhold, F. S. Die Verwendung der Photographic bei der Erforschung der
 17|leuchtenden Nachtwolken, Sternschnuppen und Nebelflecken. Phot Mitth 1894.
 18|Archenhold, F. S. Der wellenformige Nebel im Schwan. Weltall 3 p 223, 1903.
 19|Archenhold, F. S. Der Skorpion- und Orionnebel. Weltall 6 p 339, 1906.
 20|Asklof, S. On stjarnfordelningen kring Orionnebulosan. NAT 5 p 18, 1924.
 21|Asklof, S. On the distribution of the stars around the nebula of Orion.
 21|Determination of the distance of the dark markings in the region of Orion.
 21|Upsala Medd 51; Ark Mat Astr Fys 22 II A: 14, 1930.
 22|Asmussen, 0. Photographic de la constellation d'Orion. BSAF 16 p 544, 1902.
 23|Baade,W. Photographische Beobachtungen von Nebeln am Spiegelteleskop der
 23|Hamburger Sternwarte in Bergedorf. AN 243 col 303, 1931.
 24|Baade, W.; Goos, F.; Koch, P. P.; Minkowski, R. Die Intensitatsverteilung in
 24|den Spektrallinien des Orionnebels ZfA 6 p 355, 1933.
 25|Baade, W.; Minkowski, R. The Trapezium cluster of the Orion nebula. ApJ 86 p
 25|119; Mt Wilson Contr 571, 1937.
 26|Baade, W.; Minkowski, R. Spectrophotometrie investigations of some O- and
 26|B-type stars connected with the Orion nebula. Ap,l 80 p 123; Mt Wilson Contr
 26|572, 1937.
 27|Baade, W. Eine Rot-Aufnahme des Krebsnebels. Himmelswelt 50 p 20, 1940.
 28|Bachhouse, T. W. On the nebula near Merope. MN 42 p 358, 1882.
 29|Bachhouse, T. W. Barnard's ring nebula in Monoceros. Obs 13 p 179, 1890.
 30|Bailey, S. A catalogue of bright clusters and nebulae. Harvard Ann 60 p
 30|199,1908.
 31|Bailey, S. 1659 new nebulae. Harvard Ann 72 p 17, 1912.
 32|Bailey, S. The southern Milky Way. Harvard Ann 72 p 71, 1912.
 33|Bailey, S. The northern Milky Way. Harvard Ann 80 p 83, 1916.
 34|Bailey, S. Note on the obscured area near {rho} Ophiuchi. Pop Astr 32 p 544,
 34|1924.
 35|Baker, J. G.; Menzel, D. H. Physical processes in gaseous nebulae 3. The
 35|Balmer decrement. ApJ 88 p 52, 1938.
 36|Baker, J. G.; Menzel, D. H.; Aller, L.H. Physical processes in gaseous
 36|nebulae 5: Electron temperatures. ApJ 88 p 422,1938.
 37|Baker, J. G.; Aller, L. H.; Menzel, D. H. Physical processes in the gaseous
 37|nebulae 7: The transfer of radiation in the Lyman continuum. ApJ 90 p 271,
 37|1939.
 38|Balancvsky, I.; Hase, V. Clouds of absorbing matter in Cygnus. Pulkova Bull
 38|14, 2 (No 119), 1935.
 39|Barabacheff, N. Photometric investigations of the Orion nebula by means of
 39|filters. RAJ 15 p 28, 1938.
 40|Barbier, D. Sur une absorption selective de la lumiere dans les Pleiades. CR
 40|196 p 1868, 1933.
 41|Barbier, D. Le spectre des nebuleuses gazeuses. Lab d'Astr de la CNRS, Nov
 41|1938, p 1.
 42|Barnard, E. E. Merope nebula in Pleiades. Sid Mess 1 p 34, 1882.
 43|Barnard, E. E. New nebulae. - Small black hole in the Milky Way. - Duplicity
 43|of {bet}^1^ Capricorni. AN 108 col 369, 1884.
 44|Barnard, E. E. The great nebula in Monoceros. Sid Mess 4 p 313, 1885.
 45|Barnard, E. E. The cluster GC 1420 and the nebula NGC 2237. AN 122 col 253,
 45|1889.
 46|Barnard, E. E. On the nebulosities of the Pleiades and on a new Merope
 46|nebula. AN 126 col 293, 189 1.
 47|Barnard, E. E. The new Merope nebula. AN 127 col 135, 1891.
 48|Barnard, E. E. The nebula NGC 1514. AJ 11 p 36, 1892.
 49|Barnard, E. E. A new nebulous star, and corrections to Dreyer's NGC. AN 130
 49|col 77, 1892.
 50|Barnard, E. E. The nebula (1892.0): 23h0m40s +59{deg} 39.7'. AN 130 col 223,
 50|1892.
 51|Barnard, E. E. Photographic nebulosities and groups of nebulous stars. AN
 51|130 col 233, 1892.
 52|Barnard, E. E. Nova Aurigae a nebula. AN 130 col 407; Astr and Astrophys 11
 52|p 751, 1892.
 53|Barnard, E. E. The great nebulous areas of the sky. Knowledge 15, 1892.
 54|Barnard, E. E. Photographic nebulosities and star clusters connected with
 54|the Milky Way. Astr and Astrophys 13 p 177, 1894.
 55|Barnard, E. E. Photograph of Swift's nebula in Monoceros, NGC 2237. Astr and
 55|Astrophys 13 p 642, 1894.
 56|Barnard, E. E. On the exterior nebulosities of the Pleiades. Astr and
 56|Astrophys 13 p 768, 1894; AN 136 col 193, 1894.
 57|Barnard, E. E. Photograph of M8, and the Trifid nebula. Astr and Astrophys
 57|13 p 791, 1894.
 58|Barnard, E. E. The great photographic nebula or Orion, encircling the belt
 58|and Theta nebula. Astr and Astrophys 13 p 811, 1894; Pop Astr 2 p 151, 1895.
 59|Barnard, E. E. On the variable nebulae of Hind (NGC 1555) and Struve (NGC
 59|1554) in Taurus, and on the nebulous condition of the variable star T Tauri.
 59|MN 55 p 442, 1895.
 60|Barnard, E. E. On a great photographic nebula in Scorpio, near Antares. MN
 60|55 p 453,1895.
 61|Barnard, E. E. On a great photographic nebula near Antares and on the
 61|nebulosity of {nu.}^2^ Scorpii, c^2^ Scorpii and the stars BD -19 4358-9 and
 61|BD -19 4361. AN. 138 col 211, 1895.
 62|Barnard, E. E. On the extended nebulosity about 15 Monocerotis. MN 56 p 63,
 62|1895.
 63|Barnard, E. E. Invisibility of Hind's variable nebula (NGC 1555). MN 56 p
 63|66, 1895.
 64|Barnard, E. E. Photographs of the Milky Way near 15 Monoceros and near {eps}
 64|Cygni. ApJ 2 p 58, 1895.
 65|Barnard, E. E. Photograph of the nebula NGC 1499 near the star {ksi} Persei.
 65|ApJ 2 p 350,1895.
 66|Barnard, E. E. Celestial photographs with a "magic lantern" lens. ApJ 2 p
 66|351, 1895.
 67|Barnard, E. E. On the new Merope nebula. AN 139 col 41, 1895.
 68|Barnard, E. E. Extended nebulosity in the region of Antares. Knowledge 19,
 68|1896.
 69|Barnard, E. E. On the comparison of reflector and portrait lens photographs.
 69|MN 57 p 10, 1897.
 70|Barnard, E. E. The great nebula of Rho Ophiuchiand the smallness of the
 70|stars forming the ground work of the Milky Way. Pop Astr 5 p 227, 1897.
 71|Barnard, E. E. The development of photography in astronomy. Proc Amer Ass
 71|1898 p 19.
 72|Barnard, E. E. Photograph of the Milky Way near the star Theta Ophiuchi. ApJ
 72|9 p 157, 1899.
 73|Barnard, E. E. Note on the exterior nebulosities of the Pleiades. MN 59 p
 73|155, 1899.
 74|Barnard, E. E. Photographs of comets, and of the Milky Way. MN 59 p 354,
 74|1899.
 75|Barnard, E. E. Observations of Hind's variable nebula in Taurus (NGC 1555),
 75|made with the 40 inch refractor of the Yerkes Observatory. MN 59 p 372,
 75|1899.
 76|Barnard, E. E. The exterior nebulosities of the Pleiades, with a drawing
 76|from the different photographs; and on the appearance of the involved
 76|nebulosities of the cluster with the 40-inch refractor. MN 60 p 258, 1900.
 77|Barnard, E. E. Peculiarity of focal observations of the planetary nebulae
 77|and visual observations of Nova Persei with the forty-inch Yerkes telescope.
 77|ApJ 14 p 151, 1901.
 78|Barnard, E. E. Diffused nebulosities in the heavens. ApJ 17 p 77, 1903.
 79|Barnard, E. E. The Bruce photographic telescope of the Yerkes Observatory.
 79|ApJ 21 p 35, 1905.
 80|Barnard, E. E. The nebula NGC 6302. AN 173 col 123, 1906.
 81|Barnard, E. E. A great photographic nebula near {pi.} and {del} Scorpii. ApJ
 81|23 p 144, 1906.
 82|Barnard, E. E. On the vacant regions of the sky. Pop Astr 14 p 579, 1906.
 83|Barnard, E. E. The nebulous regions in the Milky Way. Science NS 25 p 566,
 83|1907.
 84|Barnard, E. E. On a nebulous groundwork in the constellation Taurus. ApJ 25
 84|p 218, 1907.
 85|Barnard, E. E. Some notes on nebulae and nebulosities. AN 177 col 231, 1998.
 86|Barnard, E. E. On a great nebulous region and on the question of absorbing
 86|matter in space and the transparency of the nebulae. ApJ 31 p 8, 1910.
 87|Barnard, E. E. Dark regions in the sky suggesting an obscuration of light.
 87|ApJ 38 p 496, 1913.
 88|Barnard, E. E. Photographs of the Milky Way and of comets made with the
 88|six-inch Willard lens and Crocker telescope during the years 1892 to 1895.
 88|Lick Publ 11, 1913.
 89|Barnard, E. E. A singular dark marking on the sky. Wash Nat Ac Proc 1 p 394,
 89|1915.
 90|Barnard, E. E. Photographic comparison of a bright nebula with a dark one,
 90|and the possible luminosity of space. Pop Astr 23 p 596, 1915.
 91|Barnard, E. E. A great nebulous region near Omicron Persei. ApJ 41 p 253,
 91|1915.
 92|Barnard, E. E. Some of the dark markings on the sky and what they suggest.
 92|ApJ 43 p 1, 1916.
 93|Barnard, E. E. A photographic atlas of selected regions of the Milky Way.
 93|Edited by E. B. Frost and M. R. Calvert. Washington, 1927.
 94|Barnard, E. E. Micrometric measures of star clusters. Yerkes Publ. 6, 1931.
 95|Baunbach, S. Untersuchungen fiber Lichtzerstreuung und Absorption in
 95|Nebelschichten. AN 257 col 81, 1935.
 96|Baxendell, J. A new nebula. MN 41 p 48, 1880.
 97|Becker, F. Neue Forschungen tiber die Nebelflecke. Himmelswelt 32 p 17,
 97|1922.
 98|Becker, F. A preparatory catalogue for a Durchmusterung of nebulae. The
 98|general catalogue. Specola Astronomica Vaticana 13, 1928.
 99|Becker, F.; Grotrian, W. Cber die galaktisch,en Nebel und den Ursprung der
 99|Nebellinien. Erg d exakt Naturw 7 p 8, 1928.
100|Becker, W. Ueber die visuelle Sichtbarkeit der Plejadennebel. Himmelswelt 46
100|p 198, 1935.
101|Behr, A. Das Farbenhelligkeitsdiagramm der Plejaden. ZfA 19 p 339; Gottingen
101|Veroff Nr 65, 1940.
102|Bergstrand, O. Ueber die Entfernung des grossen Orionnehels. AN 210 col 367,
102|1920.
103|Berman, A. A study of the galactic rotation from the data of the planetary
103|nebulae. Lick Bull 18 p 57, 1937.
104|Berndt, G. Der Aufbau der Nebel. Sirius 49 pp, 57, 89, 139, 200; 1916.
105|Beper, M. [Photograph of the Pleiades]. Sterne 2 p 80, 1922.
106|Bidschoi, F. Catalog der auf der k. k. Sternwarte zu Wien beobachteten
106|Nebelflecke. AN 147 col 257, 1898.
107|van Biesbroeck, G. The nebulosity near S Monocerotis. ApJ 89 p 554, 1939.
108|Bigourdan, G. Nebuleuses nouveles decouvertes a l'Observatoire de Paris. CR
108|105 pp 926, 1116; 1887.
109|Bigourdan, G. Sur une nebuleuse variable. CR 112 p 471,
110|Bigourdan, G. Nebuleuses nouvelles decouvertes a l'Observatoire de Paris. CR
110|112 pp 647, 703, 848;
111|Bigourdan, G. Nebuleuses nouvelles decouvertes a l'Observatoire de Paris. CR
111|123 p 1243, 1896.
112|Bigourdan, G. Nebuleuses nouvelles decouvertes a l'Observatoire de Paris. CR
112|124 pp 65, 133; 1897.
113|Bigourdan, G. Les nebuleuses de la region des Pleiades BA 28 p 417, 1911.
114|Bigourdan, G. Observations de nebuleuse et d'amas stellaire. Paris Ann 1892
114|p Dl, 1911.
115|Bigourdan, G. Sur un projet de Catalogue generale de nebuleuses et d'amas
115|stellaires, et sur diverses question que souleve ce projet. CR 154 p 1661,
115|1912.
116|Bigourdan, G. Sur les nebuleuses variables, et en particulier sur la
116|nebuleuse GC 4473 = NGC 6760. CR 157 p 421, 1913.
117|Bigourdan, G. Sur les diverses classifications de nebuleuses et amas
117|stellaires, et sur les abreviations employees pour decrire ces objets. CR
117|158 p 1949, 1914.
118|Bigourdan, G. La decouverte de la nebuleuse d'Orion (NGC 1976) par Peiresc.
118|CR 162 p 489, 1916.
119|Bigourdan, G. Nebuleuses et amas stellaires. Constitution, decouvertes
119|successives et mesures precises de ces astres.
120|Bohlin, K. Eigentmliches Nebelobjekt im Taurus. AN 210 col 31, 1919. Bohlin,
120|K. A new Nebula in Taurus. Ark Mat Astr Fys 17: 21, 1923. Compare AN 216 col
120|31, 1922.
122|Bok B. J. The spectrum of {eta} Carinae. Pop Astr 38 p 399, 1930.
123|Bok B. J. A study of the {eta} Carinae region. Thesis. Groningen, 1932.
124|Borrelly, A. Note sur la nebuleuse de Hind. CR 157 p 385, 1913.
125|Bourget, H.; Fabry, Ch.; Buisson, H. Sur le poids atomique du nebulium et la
125|temperature de la nebuleuse d'Orion. CR 15 p 101 1914.
126|Bourget, H.; Buisson, H.; Fabry, Ch. Mesures interferentielles de vitesses
126|radiales et de longeurs d'onde dans la nebuleuse d'Orion. CR 158 p 1269,
126|1914.
127|Buisson, H.; Fabry, Ch.; Bourget, H. An application of interference to the
127|study of the Orion nebula. ApJ 40 p 241, 1914.
128|Boutquin, A. Les nebuleuses. Ciel et Terre 38 pp 35, 88, 133, 196, 269, 308;
128|1922; Ibid 39 pp 30, 58, 75, 102, 133, 198; 1923.
129|Bowen, I. S. The origin of the chief nebular lines. Publ.ASP 39 p 295, 1927.
130|Bowen, I. S. The origin of the nebular lines and the structure of the
130|planetary nebulae ApJ 67 p 1, 1928.
131|Bowen, I. S.; Menzel, D. H. Forbidden lines in the flash spectrum. Publ.ASP
131|40 p 332, 1928.
132|Bowen, I. S. The presence of sulphur in the gaseous nebulae. Nat 123 p
132|450,1929.
133|Bowen, I. S. The presence of neutral oxygen in the gaseous nebulae. Phys Rev
133|(2) 36 p 600, 1930.
134|Bowen, I. S. The presence of neon in the nebulae. Publ.ASP 46 p 145, 1934.
135|Bowen, I. S. The excitation of the permitted O III nebular lines. Publ.ASP
135|46 p 146, 1934.
136|Bowen, I. S. The chemical composition of the nebulae. Publ.ASP 46 p 186,
136|1934.
137|Bowen, I. S. The spectrum and composition of the gaseous nebulae. ApJ 81 p
137|1, 1935.
138|Bowen, I. S.; Wyse, A. B. New lines in the spectra of the gaseous nebulae.
138|Publ.ASP 50 p 348, 1938.
139|Bowen, I. S. The spectra and chemical composition of the gaseous nebulae,
139|NGC 6572, 7027, 7662. Lick Bull 19 p 1,, 1940.
140|Boyce, J. C.; Menzel, D. H.; Payne, C. H. Additional identifications of
140|forbidden nebular lines. Publ.AAS 7 p 214, 1933.
141|Boyce, J. C.; Payne Gaposchkin, C. H.; Menzel, D. H. Further identifications
141|of nebular lines. Publ.ASP 46 p 213, 1934.
142|Brandt, R. Die Graffschen roten Wolken im Orion. Sterne 17 p 87, 1937.
143|Brandt, R. Die Dunkelnebel im Qrion. Der Sternhaufen NGC 2244. Sterne 18 p
143|87, 1938.
144|Brown, E. W. On the passage of a star through a nebula. ApJ 53 p 169,1921.
145|ten Bruggencate, P. Diffuse galaktische Nebel. Naturwissenschaften 18 p
145|113,1930.
146|Brun, A. Sur les toiles variables de la grande nebuleuse d'Orion. CR 200 p
146|901, 1935.
147|Brun, A. La nebuleuse d'Orion et ses etoiles variables. BAF 3 p 149; Lyon
147|Publ 1: 1: 12 p 1; CR 200 p 901, 1935.
148|Buch-Andersen, E. A probable parallax of the North America nebula. ApJ 38 p
148|275, 1913.
149|Bugoslavskaja, E. J. Investigation of movements in the region of the great
149|nebula of Orion. RAJ 13 p 209, 1936.
150|Bugoslavskaja, E. J. The parallax of the great nebula of Orion. RAJ 14 p 49,
150|1937.
151|Burnham, S. W. Double star observations. AN 123 col 1, 1890.
152|Burnham, S. W. Note on Hind's variable nebula in Taurus. MN 51 p 94, 1890.
153|Burnham, S. W. Observations of nebulae with the 36inch refractor of the Lick
153|Observatory. MN 52 p 440, 1892.
154|Burnham, S. W. Measures of Barnard's new Merope nebula. AN 129 col 17, 1892;
154|Lick Publ 2 p 174.
155|Burnham, S. W. New nebulae. Lick Publ 2 p 155, 1894.
156|Burnham, S. W. Double star measures made with the 40-inch refractor of the
156|Yerkes Observatory. AN 176 col 129, 1907.
157|Burm, K. The color of the stars in the great nebula in Orion. Publ.ASP 22 p
157|185, 1910.
158|Buttner, W. Der Omeganebel. Weltall 41 p 130, 1941.
159|Calder, W. A. A photoelectric magnitude sequence in the Pleiades.
159|Tercentenary Papers, Harvard Ann 105 p 453, 1938.
160|Campbell, W. W. Concerning the nature of Nova (T) Aurigae's spectrum. AN 133
160|col 337, 1893.
161|Campbell, W. W. Preliminary note on the spectrum or the Orion nebula. AN 134
161|col 211; Astr and Astrophys 12 p 927, 1893.
162|Campbell, W. W. Spectra of the great nebula in Orion and other well-known
162|nebulae. Astr and Astrophys 13 p 384, 1894.
163|Campbell, W. W. Note on the spectrum of the Orion nebula. Astr and Astrophys
163|13 p 695, 1894.
164|Campbell, W. W. The visible spectrum of the Trifid nebula. ApJ 2 p 161,
164|1895.
165|Campbell, W. W. On the variations observed in the spectrum of the Orion
165|nebula. ApJ 6 p 363, 1897.
166|Campbell, W. W. The Purkinje phenomenon and the spectrum of the Orion
166|nebula. ApJ 8 p 317; AN 147 col 393, 1898.
167|Campbell, W. W. A comparison of the visual hydrogen spectra of the Orion
167|nebula and of a Geissler tube. ApJ 9 p 312, 1899.
168|Campbell, W. W. On the radial velocities of nebulae. Wash Nat Ac Proc 1 p 8,
168|1915.
169|Campbell, W. W.; Moore, J. H. Radial velocities of the planetary and
169|irregular nebulae. Wash Nat Ac Proc 1 p 495, 1915. Compare Pop Astr 23 p
169|598; Publ.ASP 27 p 240, 1915.
170|Campbell, W. W.; Moore, J. H. The wave-lengths of the green nebular lines
170|N_1_ and N_2_. Lick Bull 279, 1916.
171|Campbell, W. W.; Moore, J. H. Spectroscopic observations of relative motions
171|in the Orion nebula. Publ.ASP 29 p 109, 1917.
172|Campbell, W. W.; Moore, J. H. On the radial velocities of the Orion nebula.
172|Publ.ASP 29 p 143, 1916.
173|Campbell, W. W. The nebulae (Address). Science III Suppl NS 45 p 513, 1917.
174|Campbell, W. W.; Moore, J. H. The spectrographic velocities of the bright
174|line nebulae. Lick Publ 13 p 77, 1918.
175|Cannon, A. J. Spectra of bright southern stars photographed with the 13-inch
175|Boyden telescope as a part of the Henry Draper Memorial and discussed by
175|Annie J. Cannon under the direction of Edward C. Pickering. Harvard Ann 28 p
175|29, 1901.
176|Cannon, A. J. Classification of 1688 southern stars by means of their
176|spectra. Harvard Ann 56 p 115, 1911.
177|Cannon, A. J. Spectra having bright lines. Harvard Ann 76 p 19, 1915.
178|Carroll, J. A. The mechanics of the emission of bright hydrogen lines in the
178|gaseous nebulae. MN 93 p 588, 1930.
179|Carroll, J. A. Hydrogen emission lines in nebulae. Obs 54 p 74, 1931.
180|Ceillier, R. Nebuleuses visibles et "inphotographiables". BSAF 47 p 72,
180|1933.
181|Chevalier, S. Etoiles de la nebuleuse d'Orion d'apres six plaques prises de
181|1902 A 1923. Zo-se Ann 18: 1 p 615, 1930.
182|Cillie, G. The hydrogen emission in gaseous nebulae. MN 92 p 820, 1932.
183|Classen, J. Filteraufnahmen in der Astronomie. Himmelswelt 51: 9/10
183|(Appendix), 1941.
184|Clerke, A. M. The Pleiades. Nat 33 p 561, 1886.
185|Clerke, A. M. Rigel and the great nebula. Obs 13 pp 313, 347; 1890.
186|Clerke, A. M. The system of the stars. London, 1890.
187|Clerke, A. M. On the spectra of certain nebulae, Science 8 p 454, 1898.
188|Clerke, A. M. History of astronomy during the nineteenth century, 4:th Ed,
188|London, 1902.
189|Clerke, A. M. Nebulous stars and their spectra. Knowledge 25 p 225, 1902.
190|Clerke, A. M. A nebulous star in Scutum Sobieski. Knowledge 25 p 276, 1902.
191|Clerke, A. M. Problems in astrophysics. London, 1903.
192|Clerke, A. M. Where did the nebulae get their lielium. Obs 29 p 380, 1906.
193|Cohn, W. M. Continuous spectra or certain types of stars and nebulae. Nat
193|137 1) 150, 1936. Compare Nat 138 p 127, 1936.
194|Collinder, P. On structural properties or open galactic clusters and their
194|spatial distribution. Thesis. Lund Ann 2, 1931.
195|Collins,, O. C. Color indices of reflection nebulae. Publ.ANS 8 p 240, 1936.
196|Collins,, O. C. Color indices of reflection nebulae. ApJ 86 p 529, 1937.
197|Comas Sold, J. Quelques remarques sur ]a grande nebuleuse d'Orion (1976 NGC)
197|CR 162 p 414, 1916.
198|Comas Sold, J. Estrellas variables en la nebulosa de Orion. Rev SA Esp y Am
198|7 p 17, 1919.
199|Common, A. A. The nebula in the Pleiades. MN 41 p 376,4880.
200|Common, A. A. Note on the nebulae near Merope. MN 41 p 48, 1880.
201|Common, A. A. [NGC 1999]. Obs 12 p 84, 1883.
202|Common, A. A. Note on a photograph of the great nebula in Orion and some new
202|stars near {tet} Orionis. MN 43 p 255, 1883.
203|Common, A. A. The nebulae in the Pleiades. MN 46 p 341, 1886.
204|Condon, E. U. The absolute intensity of the nebular lines. ApJ 79 p 217,
204|1934.
205|Copeland, R. Note on the visible spectrum of the great nebula in Orion. MN
205|48 p 360, 1888.
206|Courvoisier, L. Notiz betreffend die Parallaxe von Gasnebeln. AN 161 col
206|301, 1903.
207|Courvoisier, L. Ueber die Gasnebel und die Konstitution der Milchstrasse. AN
207|170 col 325, 1906.
208|Curtis, H. D. Descriptions of 132 nebulae and clusters photographed with the
208|Crossley reflector. Lick Bull 219, 1912.
209|Curtis, H. D. Descriptions of 109 nebulae and clusters photographed with the
209|Crossley reflector: second list. Lick Bull 248, 1913.
210|Curtis, H. D. Proper motions of the nebulae. Publ.ASP 27 p 214, 1915.
211|Curtis, H. D. Preliminary note on nebular proper motions. Wash Nat Ac Proc 1
211|p 10, 1915.
212|Curtis, H. D. Note on Hind's variable nebula. Publ.ASP 27 p 242, 1915.
213|Curtis, H. D. The nebulae. Publ.ASP 29 p 91, 1917
214|Curtis, H. D. Finding list for General Catalog numbers. Publ.ASP 29 p 180,
214|1917.
215|Curtis, H. D.Dark nebulae. Publ.ASP 30 p 65, 1918.
216|Curtis, H. D.Description of 762 nebulae and clusters photographed with the
216|Crossley reflector. Lick Publ 13:1, 1918.
217|Curtis, H. D.The nebulae. Handbuch der Astrophysik 5: 2 p 774, 1933. Ibid 7
217|p 546, 1936.
218|Denning, W. F. Supposed variable nebulae. AN 130 col 231, 1892.
219|Deslandres, H. Photographies stellaires avec la grande lunette de
219|l'observatoire de Meudon. BA 17 p 63, 1900.
220|Deutsch, A. N.; Lavdovsky, V. V. The expansion of the Crab-nebula (NGC 1952)
220|and the proper motions of stars in its neighbourhood. Pulkova, Circ 30 p
220|21,1940.
221|Doig, P. Note on the parallaxes or open and moving clusters. MN 82 p 461,
221|1922.
222|Draper, H. On photographs of the nebula in Orion. Amer Journ Sci 20 p 433;
222|Phil Mag 10 p 388; CR 91 p 688, 1880; Ibid 92 pp 173, 964; 1881.
223|Draper, H. On photographs of the nebula in Orion, and of its spectrum. MN 42
223|p 367, 1882.
224|Draper, H. On photographs of the spectrum of tile nebula in Orion. Amer
224|Journ Sci 23 p 339; Nat 26 p 33, 1882.
225|Draper, H. Sur des photographies du spectre de la nebuleuse d'Orion. CR 94 p
225|1243, 1882.
226|Dreyer, J. L. E. A supplement to Sir John Herschel's General catalogue of
226|nebulae and clusters of stars. Trans Irish Ac 26 p 381, 1879.
227|Dreyer, J. L. E. Note on the nebula near Merope. Copernicus 1 p 156, 1881.
228|Dreyer, J. L. E. On some nebulae hitherto suspected of variability or proper
228|motion. MN 47 p 412, 1887.
229|Dreyer, J. L. E. A new general catalogue of nebulae and clusters of stars,
229|being the catalogue of the late Sir John F. W. Herschel, Bart., revised,
229|corrected, and enlarged. Mem RAS 49 p 1, 1888.
230|Dreyer, J. L. E. Index catalogue of nebulae found in the years 1888 to 1894,
230|with notes and corrections to the New General Catalogue. Mem RAS 51 p 185,
230|1895.
231|Dreyer, J. L. E. Second index catalogue of nebulae and clusters of stars,
231|containing objects found in the years 1895 to 1907, with notes and
231|corrections to the New General Catalogue and to the Index Catalogue for
231|1888-94. Mem RAS 59 p 105, 1908.
232|Dubrowsky, K. Positionsbestimmungen von Veranderlichen und Nebelflecken auf
232|der Engelhardt-Sternwarte in den Jahren 1910-1919. AN 223 col 57, 1924.
233|Dugan, R. S. Helligkeiten und mittlere Orter von 359 Sternen der
233|Plejadengruppe. Heidelberg Publ 2 p 29, 1905.
234|Duncan, J. C. Bright nebulae and star clusters in Sagittarius and Scutum.
234|Photographed with the 60-inch reflector. ApJ 51 p 4 = Mt Wilson Contr 177,
234|1920.
235|Duncan, J. C. Bright and dark nebulae near {zet} Orionis photographed with
235|the 100-inch Hooker telescope. ApJ 53 p 392; Mt Wilson Contr 209, 1921.
236|Duncan, J. C. Changes observed in the Crab nebula in Taurus. Wash Nat Ac
236|Proc 7 p 179, 1921.
237|Duncan, J. C. Two new variable stars in tile Trifid nebula. Publ.ASP 33 p
237|207, 1921.
238|Duncan, J. C. Photographic studies of nebulae. ApJ 57 p 137; Mt Wilson Contr
238|256, 1923.
239|Duncan, J. C. Photographic studies of nebulae. ApJ 63 p 122; Mt Wilson Contr
239|303, 1926.
240|Duncan, J. C. The nebulous wreath near {eps} Cygni. Pop Astr 37 p 530, 1929.
241|Duncan, J. C. Photographic studies of nebulae. Fifth paper. ApJ 86 p 496; Mt
241|Wilson Contr 579, 1937.
242|Duncan, J. C. Second report on the expansion of the Crab nebula. ApJ 89 p
242|482; Mt Wilson Contr 609, 1939.
243|Duncan, J. C. Red nebulae in the tail of Scorpio. Publ.AAS 10 p 48, 1940.
244|Eberhard, G. Beinerkungen zu dem Aulsatz von M. Wolf: "Ueber einige
244|Nebelspektren". AN 180 col 357, 1909.
245|Eddington, A. S. The conditions ofemission of forbidden lines. MN 88 p 134,
245|1927.
246|Edlen, B.; Swings, P. Sur les transitions interdites des atomes a
246|configuration electroniques 2s22p2, 2s22p3, 2s22p4 et sur l'interpretation
246|des raies de nebuleuses et de novae. CR 198 p 1842, 1934.
247|Ellery, L. J. Observations of the southern nebulae made with the great
247|Melbourne telescope from 1869 to 1885. Melbourne, 1885.
248|Ellis, H. Notes on the great nebula in Orion. JBAA 14 p 197, 1904.
249|Elvey, C. T. The density necessary to produce the Nebulium spectrum. Nat 121
249|p 12, 1928.
250|Elvey, C. T. Note on the origin of the nebular spectrum. Pop Astr 36 pp 7,
250|232; 1928.
251|Elvey, C. T.; Rudnick, P. The variation of the light from the night sky and
251|its effect on the photography of faint nebulae. ApJ 86 p 562, 1937.
252|Engelmann, R. Meridianbeobachtungen von Nebelflecken. AN 104 col 193, 1882.
253|Espin., T. E. Some nebulous objects not in the New General Catalogue of
253|nebulae. MN 54 p 327, 1894.
254|Espin, T. E. Stars with remarkable spectra. AN 152 col 135, 1900.
255|D'Esterre, C. R. The great nebula in Orion. Obs 36 p 159, 1913.
256|Fabry, Ch.; Buisson, H. Application of the interference method to the study
256|of nebulae. ApJ 33 p 406, 1911.
257|Fabry, Ch. An interferometer photograph. Obs 36 p 199, 1913.
258|Fessenkoff, B. Sur une methode d'evaluation de l'absorption dans les
258|nebuleuses galactiques. CR 201 p 326, 1935.
259|Flammarion, C. Nebuleuses et amas d'etoiles de Messier. BSAF 31 p 385, 1917.
260|Flammarion, C. BSAF 32 pp 25, 98, 239; 1918.
261|Flammarion, C. BSAF 33 pp 21, 169; 1919.
262|Flammarion, C. BSAF 34 p 164, 1920.
263|Flammarion, G. C. Etude photographique de nebuleuses. BSAF 48 p 298, 1934.
264|Fowler, A.; Brooksbank, J. The third line spectrum of oxygen. MN 77 p 511,
264|1917.
265|Fowler, A. The origin of the Nebulium spectrum. Nat 120 p 582, 1927.
266|Franks, W. S. Detached nebula in Cygnus. MN. 65 p 159, 1904.
267|Franks, W. S. W. Herschel's diffused nebulosities. Pop Astr 36 p 464, 1928.
268|Frost, E. B. Radial velocities within the great nebula of Orion. Wash Nat Ac
268|Proc 1 p 416, 1915.
269|Frost, E. B.; Maney, C. A. New conceptions of the nebula of Orion. Pop Astr
269|23 p 485, 1915.
270|Frost, R. H. Nebulae discovered at the Harvard College Observatory. Harvard
270|Ann 60 p 179, 1908.
271|Gaposchkin, S.; Greenstein, J. L. On the distance of the variable nebula NGC
271|6729 associated with R Coronae Australis. Harvard Bull 904 p 8, 1936.
272|Gerasimovic, B. P. Ionization in nebular matter. Harvard Rep 38; Proc Amer
272|Acad Art Sci 62: 5, 1927.
273|Gill, D. Nebulae observed at the Royal Observatory, Cape of Good Hope. MN 58
273|p 329, 1898.
274|Gingrich, C. H. Parallaxes of stars in the region of BD+31 643. ApJ 56 p
274|139; Mt Wilson Contr 239, 1922.
275|Gordeladse, S. G. The ionisation in the gaseous envelope surrounding a star.
275|RAJ 12 p 524, 1936.
276|Gore, J. E. Messier's nebulae. Obs 25 pp 264, 288, 321; 1902.
277|v. Gothard, E. Ueber das Spectrum der Nova Aurigae verglichen mit
277|Nebelspectren. AN 131 col 141; MN 53 p 55, 1893,
278|Graff, K. Eine rote Wolke im Orion. Wien Mitt 3 p 111, 1933.
279|Graff, K. Die diffusen Nebel in der Gegenddes Orion. Wien Mitt 4 p 227,
279|1935.
280|Graff, K. Ueber die visuelle Sichtbarkeit der Plejadennebel und des Nebels
280|NGC 2237. Wien Mitt 4 p 233, 1935.
281|Graff, K. Zur Frage der Pliotographie roter Nebel. AN 259 col 99, 1936.
282|Graff, K. Rote Nebel und Sternverteilung um {del}, {eps}, {zet} Orionis.
282|Wien Mitt 5 p 323; Sitzungsber Akad Wiss Wien Math naturw Kl (11a) 146 p
282|203, 1937.
283|Graff, K. - Rote Wolke im Sagittarius. AN 266 col 283, 1938.
284|Graff, K. - Photometrische und kolorimetrische Vermessung des Sternhaufens
284|NGC 2244. Sitzungsber Ak Wiss Wien Math naturw Kl (2a) 148 p 179, 1939.
285|Graff, K. - Das Farbengesetz der Plejaden. Sitzungsber Akad Wiss Math naturw
285|Kl (2a) 149 p 303, 1940.
286|Green, W. K. An investigation of certain nebulae for evidence of polarized
286|light. Publ.ASP 29 p 108, 1917.
287|Greenstein, J. L. Radiation pressure in galactic nebulae. ApJ 85 p 242;
287|Harvard Rep 137, 1937. Compare JBAA 47 p 306.
288|Greenstein, J. L.; Henyey, L. G. Thespectra of the North America nebula and
288|of the {gam} Cygni nebula. ApJ 86 p 620, 1937.
289|Greenstein, J. L.; Henyey, L. G. Some new spectra of galactic nebulae. ApJ
289|87 p 79, 1938.
290|Greenstein, J. L. The colors of reflection nebulae. ApJ 87 p 581, 1938.
291|Greenstein, J. L.; Struve, O. A note on Lambrecht's nebulous stars. AN 266
291|col 219, 1938.
292|Greenstein, J. L. The space between the stars. Telescope 6 p 54, 1939.
293|Greenstein, J. L.; Henyey, L. G. The spectra of two reflection nebulae. ApJ
293|89 p 647; Me Donald Contr 11, 1939.
294|Greenstein, J. L.; Henyey, L. G. Studies of diffuse nebulae. ApJ 89 p 653;
294|Mc Donald Contr 11, 1939.
295|Greenstein, J. L.; Struwe, O. Interstellar calcium and color excess. ApJ 90
295|p 625, 1939.
296|Gregory, C. C. L. Third list of nebulae photographed with the Reynolds
296|reflector. Helwan Bull 21, 1921.
297|Gregory, C. C. L. Fourth list of nebulae photographed with the Reynolds
297|reflector. Helwan Bull 22, 1922.
298|Gregory, C. C. L. Note on Hubble's variable nebula. Helwan Bull 22, 1922.
299|Grigorieva, N. B. Determination of the distances of Pleiades, h and {khi}
299|Persei and NGC 6882 by Trumpler's method. RAJ 14 p 141, 1937.
300|Groot, H. Der Krabnebel in Taurus. Hemel en Dampkring 35 p 320, 1937.
301|Groot, H. Noch einmal der Krabnebel. Hemel en Dampkring 35 p 378, 1937.
302|Grotrian, W. Ueber den Ursprung der Nebellinien. Naturwissenschaften 16 pp
302|177, 193; 1928.
303|Grouiller, H., Ellsworth, J. Sur la nature du nebulium et du coronium. Lyon
303|Bull 10 p 81, 1928.
304|Hagen, J. G. Die dunkeln kosmiselien Nebel. AN 213 cot 351, 1921.
305|Hagen, J. G. A Durchinusterung of the heavens for obscure cosmic clouds. The
305|obscure cosmic clouds south of {zet} Orionis. Atti d Pont Accad Rom d Nuovi
305|Lincei, 1922.
306|Hagen, J. G. On W. Herschel's nebulous regions. Atti d Pont Accad Rom d
306|Nuovi Lincei 76, 1923.
307|Hagen, J. G. A special type of bright nebulae. Atti d Pont Accad Rom d Nuovi
307|Lincei 77, 1923.
308|Hagen, J. G. Nebelflecke und Nebelwolken. AN 227 cot 391, 1926.
309|Hagen, J. G. First, second, third, fourth, fifth, and sixth note on W.
309|Herschel's observations of extended nebulous fields. MN 86 pp 144, 349, 439,
309|548, 642; Ibid 87 p 106, 1926.
310|Hagen, J. G. The nebulosity Herschel V 34 (GC 1193) NGC 1990. Atti d Pont
310|Accad Rom d Nuovi Lincei 80, 1927.
311|Hagen, J. G. Bestatigung der zweiundfunfzig Nebelfelder W. Herschels. AN 229
311|cot 303, 1927.
312|Hagen, J. G. - Das bewolkte Orionfeld. Atti d Pont Accad Rom d Nuovi Lincei,
312|1928.
313|Hagen, J. G. - W. Herschel's nebulous fields and E. Barnard's dark objects.
313|Specola Astronomica Vaticana. Misc Astr 4 art 67, 1929.
314|Hagen, J. G. - On the significance of Baxendell's nebulosity. MN 90 p 331,
314|1930.
315|Haidrich, K. Versuche zur photographischen Darstellung der Hagenscher
315|NebelWolken. AN 241 cot 397, 1931; AN 245 cot 337, 1932.
316|Haidrich, K. Die Nebelregion bei {eps} Orionis. AN 252 cot 17, 1934.
317|Haidrich, K. Eine photographisch erfassbare Kaleiumwolke in der Cassiopeia.
317|AN 252 cot 305, 1934.
318|Haidrich, K. Die photographische Erfassung der roten Nebelwolken. AN 258 cot
318|321, 1936.
319|Haidrich, K. Bemerkungen zu den Kritiken meiner astrophotographischen
319|Arbeiten. AN 260 cot 281, 1936.
320|Haidrich, K. Die photographisclien Probleme der astronomischen
320|Nebelforschung. Beilage 3 zur Photogr Korrespondenz 72:12, 1936.
321|Haidrich, K. Das Spektrum des Nebelfeldes bei NGC 6960 und 6992. AN 264 cot
321|323, 1938.
322|Haidrich, K. Das OII-Dublett im Nebelfeld um {gam} Cygni. AN 266 cot 9,
322|1938.
323|Haidrich, K. Die photographischen Probleme der astronomischen Nebelforschung
323|2. Photogr Korrespondenz 74 p 68, 1938.
324|Haidrich, K. Die Spektren galaktischer Nebelmassen. Weltall 33 p 217, 1938.
325|Hall, M. Further notes on the nebula in the Pleiades. MN 41 p 315, 1881.
326|Hardcastle, J. A. Nebulae seen on Mr. Franklin-Adams' plates. MN 74 p
326|699,1914.
327|Hartmann, J. Monochromatische Aufnalimen des Orionnebels. Berlin Ber 1905 p
327|360; Compare ApJ 21 p 389, 1905.
328|Hartmann, J. Die Bewegung der elf hellsten Plejadensterne. AN 199 cot 305,
328|1914.
329|Hartmann, J. Literarische, Anzeigen. [Lick Publ 8 and 11]. VJS 52 p 90,
329|1917.
330|Harwood, M. A new nebulousstar. Harvard Bull 856 p 12, 1928.
331|Hayn, F. Die Plejaden. Leipzig Abh 38: 6, 1921.
332|Hebb, M. H.; Menzel, D. H. Physical processes in gaseous nebulae 10.
332|Collisional excitation of nebulium. ApJ 92 p 408, 1940.
333|Heilmann, J. "Reflexions"-Nebel Weltall 38 p 222, 1938.
334|Henry, P.; Henry, Pr. Sur une carte photographique du groupe des Pleiades.
334|CR 102 p 848, 1886.
335|Henry, P.; Henry, Pr. On photographs of a new nebula in the Pleiades, and of
335|Saturn. MN 46 p 98, 1886.
336|Henry, Pr. The photographic nebulae in the Pleiades. MN 46 p 281, 1886.
337|Henyey, L. G. On the polarization of light in reflection nebulae. ApJ 84 p
337|609,1936.
338|Henyey, L. G. Observations of the polarization of light in reflection
338|nebulae. Publ.AAS 8 p 243, 1936.
339|Henyey, L. G. The illumination of reflection nebulae. ApJ 85 p 1,07, 1937.
340|Henyey, L. G.; Greenstein, J. L. The theory of the colors of reflection
340|nebulae. ApJ 88 p 580, 1938.
341|Henyey, L. G.; Greenstein, J. L. The interpretation of the colors of
341|reflection nebulae. Publ.AAS 9 p 154, 1939.
342|Henyey, L. G.; Greenstein, J. L. Diffuse radiation in the Galaxy. ApJ 93 p
342|70; Ann d'Astrophys 3 p 117, 1941.
343|Herassimovitch, B. Sur les mouvements tourbillonaires dans les n6buleuses.
343|AN 216 col 81, 1922.
344|Hertzsprung, E. Ueber die Helligkeit der Pleiadennebel. AN 195 col 449,
344|1913.
345|Hertzsprung, E. The Pleiades. MN 89 p 660, 1929.
346|Hinks, A. R. On the galactic distribution of gaseous nebulae and of star
346|clusters. MN 71 P 693, 1911.
347|Hirayama, K. Motion of the stars in nebulous matter. Proc Imp Acad 7 p 182,
347|1930.
348|Hoff, H. Zum Problem des Isophotometers. ZfA 14 p 104; Gottingen Veroff 49,
348|1938.
349|Holden, E. S. On supposed changes in the nebula M 17. Amer Journ Sci 11 p
349|341, 1876.
350|Holden, E. S. Index Catalogue of books and memoirs relating to nebulae and
350|clusters, etc. Washington, 1877. Smithson Misc Coll 311.
351|Holden, E. S. On the proper motion of the Trifid nebula: M20 = HV: 10, 11,
351|12 = h 1991, 3718 = GC 4355. Amer Journ Sci 114 p 433, 1877.
352|Holden, E. S. Monograph of the central parts of the nebula of Orion.
352|Washington, 1882.
353|Hopfield, J. J. Revised values of OI-terms, nebular and coronal lines of
353|oxygen. Phys Rev (2) 37 p 169, 1931.
354|Hopmann, J. Photometrische Untersuchungen von Nebelflecken. AN 214 col 425,
354|1921.
355|Hopmann, J. Neue Forschungen uber die kosmischen Nebelflecke.
355|Naturwissenschaften 10 p 7, 1922.
356|Hopmann, J. Photometrische Versuche am Orionnebel. VJS 68 p 316, 1933.
357|Hopmann, J. Photometrische Versuche am Orionnebel. Leipzig Veroff 4, 1934.
358|Hough, G. W.; Burnham, S. W. The nebula near Merope. MN 41 p 410, 1881.
359|Hubble, E. P. Preliminary note on the variability of NGC 2261. Wash Nat Ac
359|Proc 2 p 230, 1916.
360|Hubble, E. P. The variable nebula NGC 2261. ApJ 44 p 190, 1916.
361|Hubble, E. P. Recent changes in the variable nebula NGC 2261. ApJ 45 p 351,
361|1917.
362|Hubble, E. P. The spectrum of NGC 1499. Publ.ASP 32 p 155, 1920.
363|Hubble, E. P. Researches on nebulae, etc. Mt Wilson Annual Rep 1921 p 250.
364|Hubble, E. P. Twelve new planetary nebulae. Publ.ASP 33 p 174, 1921.
365|Hubble, E. P. A general study of diffuse galactic nebulae. ApJ 56 p 162; Mt
365|Wilson Contr 241, 1922.
366|Hubble, E. P. The source of luminosity in galactic nebulae. ApJ 56 p 400; Mt
366|Wilson Contr 250, 1922.
367|Hubble, E. P. The realm of the nebulae. London, 1936.
368|Huggins, W. On the inferences to be drawn from the appearance of bright
368|lines in the spectra of irresolvable nebulae. Proc Roy Soc London 26 p 179;
368|Journ de Phys 7 p 200, 1878.
369|Huggins, W. Note on the photographic spectrum of the great nebula in Orion.
369|Proc Roy Soc London 33 p 425; Brit Ass Rep 1882 p 433; CR 94 p 685; Amer
369|Journ Sci 23 p 335, 1882; Ann de Chimie 28 p, 282, 1883.
370|Huggins, W. The photographic spectrum of the nebula of Orion. MN 49 p 403;
370|CR 108 p 984, 1889.
371|Huggins, W.; Huggins, M. L. On the spectrum, visible and photographic, of
371|the great nebula in Orion. Proc Roy Soc London 46 p 40, 1889.
372|Huggins, W.; Huggins, M. L. On a re-determination of the prineipal line in
372|the spectrum of the nebula in Orion, and on the character of the line. Proc
372|Roy Soc London 48, pp 202, 213; 1890.
373|Huggins, W. Sur le spectre visible et photographique de la Grande Nebuleuse
373|d'Orion. CR 110 p 1310, 1890.
374|Huggins, W. Note on the spectrum of the great nebula in Orion. Astr and
374|Astrophys 13 p 568, 1894.
375|Innes, R. T. 4. Results of observations of variable stars. Cape Ann 9 p. 15
375|B, 1903.
376|Innes, R. T. Region around S Corona Austrina. Transvaal Circ 5 p 57, 1910.
377|Innes, R. T. Large nebula near {pi.} Scorpii. Transvaal Circ 5 p 60, 1910.
378|Innes, R. T. Large nebula near {pi.} Scorpii. Transvaal Circ 7 p 77, 1911.
379|Innes, R. T. Star with nebulous envelope. Union Cire 8 p 57, 1913.
380|Innes, R. T. [Lectures at Johannesburg.] Ref Obs 36 p 269, 1913.
381|Innes, R. T. The nebula NGC No 3699 = h 3345. Union Circ 17 p 121, 1914.
382|Innes, R. T. Region around {eta} Argo. Union Circ 18 p 123, 1914; Union Circ
382|26 p 201, 1915.
383|Innes, R. T. Messier 16. NGC 6611. Union Circ 20 p 154, 1914.
384|Innes, R. T. The Milky Way near Theta Ophiuchus. Union Circ 20 p 155, 1914.
385|Innes, R. T. New variable star and nebula in Corona Australe. Union Circ 33
385|p 269,1916.
386|Innes, R. T. The variable stars and nebulae near R Corona Australe. Union
386|Circ 36 p 282, 1916.
387|Janssen, P. J. C. Sur les photographies de nebuleuses. CR 91 p 713, 1880.
388|Janssen, P. J. C. Photographie des nebuleuses. CR 92 p 261, 1881.
389|Janssen, P. J. C. Remarque sur la precedente communication et sur la methode
389|propre a donner des nebuleuses des images comparables. CR 126 p 383, 1898.
390|Janssen, P. J. C. Remarque sur la communication de M. Rabourdin. BSAF 13 p
390|299, 1899.
391|Javelle, S. Catalogue de Nebuleuses decouvertes avec le grand equatorial de
391|l'Observatoire de Nice. Nice Ann 4 p B1, 1895.
392|Javelle, S. Catalogue de Nebuleuses decouvertes avec le grand equatorial de
392|l'Observatoire de Nice. Nice Ann 6 p B1, 1897.
393|Jones, R. D. H. The temperature of the Orion nebula. Obs 54 p 165, 1931.
394|Kammermnann, A. Ueber den Majanebel. AN 114 col 313, 1886.
395|Keeler, J. E. On the wave-tength of the second line in the spectra of the
395|nebulae. Pubt ASP 2 p 281, 1890.
396|Keeler, J. E. The nebular hypothesis. Astr and Astrophys 11 pp 567, 768;
396|1891.
397|Keeler, J. E. On the chief line in the nebular spectrum. Proc Roy Soc London
397|49 p 399; Sid Mess 10 p 264, 1891.
398|Keeler, J. E. The wave-lengths of the two brightest lines in the spectrum of
398|the nebulae. Astr and Astrophys 12 p 733, 1893.
399|Keeler, J. E. Spectroscopic observations of nebulae. Lick Publ 3 p 161,
399|1894.
400|Keeler, J. E. On the spectra of the Orion nebula and the Orion stars. Astr
400|and Astrophys 13 p 476, 1894.
401|Keeler, J. E. Variations in the spectrum of the Orion nebula. AN 148 col
401|207, 1898.
402|Keeler, J. E. The small bright nebula near Merope. Publ.ASP 10 p 245, 1898.
403|Keeler, J. E. On some photographs of the great nebula in Orion, taken by
403|means of the less refrangible rays of its spectrum. ApJ 9 p 133, 1899.
404|Keeler, J. E. Note on the foregoing article by professor Scheiner. ApJ 10 p
404|167, 1899; AN 151 col 3, 1890.
405|Keeler, J. E. Photograph of the great nebula in Orion, taken with the
405|Crossley reflector of the Lick Observatory. Publ.ASP 11 p 39, 1899.
406|Keeler, J. E. Photographic observations of Hind's variable nebula in Taurus,
406|made with the Crossley reflector of the Lick Observatory. MN 60 p 424, 1900.
407|Keeler, J. E. Photograph of the Trifid nebula in Sagittarius. Publ.ASP 12 p
407|89, 1900.
408|Keeler, J. E. The Crossley Reflector of the Lick Observatory. ApJ 11 p 325;
408|Publ.ASP 12 p 146, 1900.
409|Keeler, J. E. Photographs of nebulae and clusters made with the Crossley
409|reflector. Lick Publ 8, 1908.
410|Keenan, P. C. Photometry of the diffuse nebula NGC 7023. ApJ 84 p 600, 1936.
410|Compare Publ.AAS 8 p 245.
411|Keenan, P. C. Photometry of the diffuse nebula NGC 7023. Perkins Contr 5,
411|1937.
412|de Kerolyr, M. Les nebulositees du Baudrier et d'Orion. BSAF 46 p 427, 1932.
413|de Kerolyr, M. [Photographs of nebulae] BSAF 47 facing pp 212, 298, 418;
413|1933.
414|de Kerolyr, M. La nebuleuse "America". BSAF 47 p 515, 1933.
415|de Kerolyr, M. La photographie de la nebuleuse NGC 6992. BSAF 48 p 23, 1934.
416|de Kerolyr, M. Nebulosities avoisinant {zet} Orionis. BSAF 48 p 174, 1934.
417|de Kerolyr, M. Etudes photographiques de nebuleuses. BSAF 48 p 536, 1934.
418|de Kerolyr, M. Ampliacion fotografica de la nebulosa NGC 2024. Iberica
418|Barcelona 21 p 113, 1934.
419|de Kerolyr, M. Nebula IC II 5146 Cygnus. MN 96 p 122, 1935.
420|de Kerolyr, M. Photographs of two nebulae. ApJ 85 p 340, 1937.
421|de Kerolyr, M. La nebuleuse NGC 6995 Cygni (Partie sud). BSAF 51 facing p 6,
421|1937.
422|de Kerolyr, M. Nebulosites exterieures des Pleiades. BSAF 52 p 178, 1938.
423|de Kerolyr, M. Nebulosites du Cygne: NGC 7000. Nebuleuse America - Nebuleuse
423|du Pelican. BSAF 55 p 3, 1941.
424|Kharadse, E. K. The space absorption of light in the nebula of the Pleiades.
424|Abastumani Bull 4 p 39, 1940.
425|Klauder, H. Ueber die Stabilitat von Dunkelwolken. AN 262 col 233, 1937.
426|Klein, H. J. Das Trapez im Orion. Sir 33 p 73, 1900.
427|Knobel, E. B. Note on the comparative brightness of the nebula of Orion. MN
427|41 p 312, 1881.
428|Knox-Shaw, If. Observations of nebulae made during 1909-1911. Helwan Bull 9,
428|1913.
429|Knox-Shaw, If. Observations of nebulae made during 1912- 1914. Helwan Bull
429|15, 1915.
430|Knox-Shaw, If. Preliminary note on the variable nebula (NGC 6729) in Corona
430|Australis. Helwan Bull 16, 1915.
431|Knox-Shaw, If. Hubble's variable nebula NGC 2261. Helwan Bull 19, 1920.
432|Knox-Shaw, If. The variable nebula (NGC 6729) in Corona Australis and the
432|stars in its neighbourhood. Helwan Bull 20, 1920.
433|Knox-Shaw, If. Observations of the variable nebula in Corona Australis, made
433|during 1920, 1921 and 1922. Helwan Bull 30, 1924.
434|Kobold, H. Bemerkungen zur Untersuchung der Eigenbewegungen der Nebelflecke.
434|AN 203 col 299, 1916.
435|de Kock, A. C. Eine photometrische Untersuchung des Orion-Nebels. Hemel en
435|Dampkring 33 p 51, 1935.
436|Koelbloed, D. Der Trapez-Sternhaufen im Orion-nebel. Hemel en Dampkring 35 p
436|368, 1937.
437|Koelbloed, D. Leuchtende Gasnebel. Hemel en Dampkring 35 pp 186, 236, 285;
437|1937.
438|Kopff, A. Die Vertheilung der Fixsterne um den grossen Orion-Nebel und den
438|America-Nebel. Heidelberg Publ 1 p 177, 1903.
439|Kopff, A. Ueber die Nebel der Nova Persei. Heidelberg Publ 2:9 p 105, 1907.
440|Kritzinger, H. H. Einige neu aufgefundene Nebel. AN 200 col 381, 1915.
441|Kuhn, W. Ueber die Verteilung diffuser Materie in verschiedenen
441|Kraftfeldern. AN 269 p 17, 1939.
442|Lambrecht, H.; Siedentopf, H. Die Verteilung diffuser Materie im Felde eines
442|Sternhaufens. AN 257 col 333, 1935.
443|Lambrecht, H. Astronomische Mitteilungen (Leuchtende Nebel in der Umgebung
443|von Sternen). Naturwissenschaften 25 p 813, 1937.
444|Lambrecht, H. Infrarot-Photographie des Trapezsternhaufens im Orionnebel.
444|Naturwissenschaften 26 p 804, 1938.
445|Lambrecht, H. Neblige Sterne in der sudlichen Milchstrasse. AN 265 col 225,
445|1933.
446|Lambrecht, H. Zur Frage der Realitat der Nebelhullen von nebligen Sternen
446|auf den Windhuker Oberwachungsaufnahmen. AN 267 col 9, 1938.
447|Lambrecht, H. Ueber den physikalischen Aufbau und die Leuchtkrafte der
447|Emissionsnebel 1. AN 268 col 49, 1939.
448|Lampland, C. O. On the motion of nebulous filaments in NGC 6992. Publ.ASP 28
448|p 192, 1916.
449|Lampland, C. O. Variable stars in the Lagoon nebula NGC 6523. Publ.ASP 28 p
449|192, 1916.
450|Lampland, C. O. Photographs of the variable nebulae NGC 2261 and NGC 6729.
450|Pop Astr 25 p 659, 1917. Compare Pop Astr 25 pp 213, 338; Nat 99 p 54.
451|Lampland, C. O. Hubble's variable nebula in Monoceros, NGC 2261. Pop Astr 26
451|p 249, 1918.
452|Lampland, C. O. Hubble's variable nebula in Monoceros, NGC 2261, Pop Astr 27
452|p 31, 1919.
453|Lampland, C. O. Variable stars in the Lagoon (NGC 6523) and Trifid (NGC
453|6514) nebulae. Pop Astr 27 p 32, 1919.
454|Lampland, C. O. Observed changes in the structure of the "Crab" nebula (NGC
454|1952). Publ.ASP 33 p 79, 1921.
455|Lampland, C. O. Notes on observations of nebulae. Pop Astr 29 p 632, 1921.
456|Lampland, C. O. The discovery of faint nebular structure around R Aquarii.
456|Lowell Observation Cire 1921 december 7.
457|Lampland, C. O. Photographic observations of nebulae. Pop Astr 30 p 618,
457|1922.
458|Lampland, C. O. The variable nebula NGC 2261. Pop Astr 34 p 621, 1926.
459|Lampland, C. O. The variable nebula NGC 2261. Publ.ASP 43 p 296, 1931.
460|Lampland, C. O. Hind's variable nebula (NGC 1555). Publ.ASP 48 p 318, 1936.
461|Larink, J. Anhaltsterne ffir eine Vermessung der Umgegend des Orionnebels.
461|BZ 21 p 78; Hamburg Mitt 8: 46 p 11, 1939.
462|Larkin, E. L. Gigantic abyss in the great nebula of Orion. The scientific
462|American Supplement 69 p 175, 1910.
463|Larmor, J. Illuminated nebulae and blue sky. Ohs 59 p 189, 1936.
464|Lau, H. Die zentralen Teile des Orion-nebels. Sir 39 p 73, 1906.
465|Lehner, G. Beobachtung von Dunkelnebeln mittels kleiner Instrumente.
465|Himmelswelt 40 p 323, 1930.
466|Lindsay, E. M. Bright nebulosity in the "Coalsack". Nat 142 p 919, 1938.
467|Lockyer, J. N. Recherches sur les meteorites. Conclusions generales. CR 105
467|p 997, 1887.
468|Lockyer, J. N. Researches on the spectra of meteorites. A report to the
468|solar physics comittee. Proe Roy Soc London 43 p 117, 1887.
469|Lockyer, J. N. The Bakerian lecture. Suggestions on the classification of
469|the various species of heavenly bodies. Proc Roy Soc London 44 p 1, 1888.
470|Lockyer, J. N. Comparison of the spectrum of nebulae and stars of groups I
470|and II with those of comets and aurorae. Proc Roy Soc London 47 p 28, 1889.
471|Lockyer, J. N. On the chief line in the spectrum of the nebulae. Proc Roy
471|Soc London 48 p 167, 1890.
472|Lockyer, J. N. Note on the spectrum of the nebula in Orion. Proc Roy Soc
472|London 48 p 198, 1890.
473|Lockyer, J. N. Preliminary note on photographs of the spectrum of the nebula
473|in Orion. Proc Roy Soc London 48 p 199, 1890.
474|Lockyer, J. N. On the causes which produce the phenomenon of new stars. Phil
474|Trans 182 p 397, 1891.
475|Lockyer, J. N. On the photographic spectrum of the great nebula in Orion.
475|Phil Trans 186 A p 73, 1894.
476|Lockyer, W. J. S. The photography of Nebulae. Nat 85 p 140, 1910.
477|Lockyer, W. J. S. Monochromatic images of the Orion nebula. MN 90 p 580,
477|1930.
478|Lohnert, K. Sternverteilung uin die grossen Nebel bei {ksi} Persei und bei
478|12 Monocerotis. Heidelberg Publ 2:11 p 159, 1907.
479|Love, E. F. J. Series in the nebular spectrum, and in the bright-line
479|spectrum of Nova Persei. MN 62 p 524, 1902.
480|Lower, H. A. Photographs of diffuse nebulositi,es. ApJ 89 p 137, 1939.
481|Lundmark, K. Nebulous stars. Notes from Mount Wilson 1922-23. Manuscript.
482|Lundmark, K. The parallaxes of bright and darkdiffuse nebulae. Publ.ASP 34 p
482|40, 1922.
483|Lundmark, K. Father Hagen's papers on dark nebulae. Publ.ASP 34 p 181, 1922.
484|Lundmark, K. Plejadernas avstand. NAT 5 p73,1924.
485|Lundmark, K. A preliminary classification of nebulae. Upsala Medd 7; Ark Mat
485|Astr Fys 19 B: 8, 1926.
486|Lundmark, K. De morka nebulosornas utbredning. Upsala Medd 12; PAT 7 p 18,
486|1926.
487|Lundmark, K. Preliminar klassifikation av nebulosorna. PAT 7 p 61, 1926.
488|Lundmark, K. Die wahrscheinliche untere Grenze fur die Masse des
488|Orionnebels. Lund Circ 3 p 64, 1931.
489|Lundmark, K. Was the Crab nebula Fornied by a supernova in 1054 A. D.?
489|Bergstrand Festschrift p 89, 1938.
490|Lyon, J. A. Note on stars in the great nebula in Orion. AJ 20 p 130, 1899.
491|van Maanen, A. The photographic determination of stellar parallaxes with the
491|60- and 100-inch reflectors, Mt Wilson Contr 356, 1928.
492|van Maanen, A. Investigations on proper motion, 13. Mt Wilson Contr 405,
492|1930.
493|MacPherson, H. The place of the nebulae in stellar evolution. Obs 44 p 219,
493|1921.
494|MacPherson, H. Recent progress in the study of nebulae. Obs 46 p 243, 1923.
495|Malzev, V. Note on the nebula NGC 6960. Tashkent Bull 3 p 63, 1934.
496|Markov, A. On the nature of spiral and gaseous nebulae (The order of
496|absolute brightness of the surfaces of the nebulae). AN 234 cot 329, 1929.
496|Compare AN 235 cot 143.
497|Marsson, T. Die Losung des Nebulium-Ratsels. Himmelswelt 38 p, 221, 1928.
498|Maunder, E. W. Note on the spectrum of the great nebula in Orion. MN 49 p
498|308, 1889.
499|Maunder, E. W. [Green nebulae chromosphieric materials] Knowledge 19 p 39.
500|Mayall, N. U. The spectrum of the Crab nebula in Taurus. Publ.ASP 49 p 101,
500|1937.
501|McNally, P. A. The Herschel 52 areas of nebulosity. Publ.ASP 41 p 16, 1929.
502|Melotte, P. J. New nebulae shown on Franklin-Adams chart plates. MN 86 p
502|636, 1926.
503|Menzel, D. H. The density necessary to produce the nebular spectrum. Nat 121
503|p 618, 1928.
504|Menzel, D. H. The dilution of radiation in a nebula. Publ.ASP 43 p 70, 1931.
505|Menzel, D. H. Physical processes in gaseous nebulae. 1. Absorption and
505|emission of radiation. ApJ 85 p 330, 1937.
506|Menzel, D. H.; Baker, J. G. Physical processes in gaseous nebulae. 2. Theory
506|of the Balmer decrement. Ap,J 86 p 70,1937.
507|Menzel, D. H; Aller, L. H.; Baker, J. G. Pbysical processes in gaseous
507|nebulae. 4. Tlie mechanistic and equilibrium treatment of nebular
507|statistics. ApJ 88 p 313: 1938.
508|Menzel, A H; Aller, L. H. Physical processes in gaseous nebulae. 16. The
508|abundance of OIII. ApJ 94 p 39, 1941.
509|Merecki, R. Obserwacye mikrometryezne mglawic. Prace matematyczwo-fizyczne
509|13 p 285, 1902.
510|Merrill, P. W. Notes on nebular lines in the extreme red. Publ.ASP 40 p 254,
510|1928.
511|Merrill, P. W. Regional study of interstellar sodium. ApJ 86 p 28; Mt Wilson
511|Contr 569, 1937.
512|Meunier, J. Sur la combustion gazeuse tourbillonnaire et sur son analogie
512|avec les apparences des nebuleuses et des cometes. CR 154 p 1156, 1912.
512|Compare CR 154 p 700.
513|Meunier, J. Sur les spectres des nebuleuses et sur les analogies qu'on en
513|peut tirer. CR 156 p 391, 1913.
514|Meyer, W. F. A study of certain nebulae for evidences of polarization
514|effects. Publ.ASP 31 p 194, 1919.
515|Meyer, W. F. A study of certain nebulae for evidences of polarization
515|effects. Lick Bull 328, 1920.
516|Meyermann, B. Vermessung der Umgegend des Orionnebels. AN 266 cot 381, 1938.
517|Miczaika, G. R. Nebelerscheinungen in der Umgebung von Neuen Sternen. Sterne
517|15 p 100, 1935.
518|Minkowski, R. Die Intensitatsverteilung in den Spektrallinien des
518|Orionnebels 2. ZfA 9 p 202, 1934.
519|Mohorovicic, S. Beobachtungen visuell wahrnehmbarer farbiger Nebel im Orion
519|und in seiner Umgebung. AN 266 col 175, 1938.
520|Moore, J. H. A general catalogue of the radial velocities or stars, nebulae
520|and clusters. Lick Publ 18, 1932.
521|Morgan, W. W. Note on a possible effect of the receat increase in brightness
521|of {gam}) Cassiopeiae. ApJ 86 p 100, 1937.
522|Mouchez, E. Photographic de la nebuleuse 1180 du Catalogue general
522|d'Herschel, par MM. Paul et Prosper Henry. CR 104 p 394, 1887.
523|Mouchez, E. Nouvelles nebuleuses remarquables decouvertes a l'aide de la
523|Photographie dans les Pleiades, par MM. Henry. CR 106 p 912, 1888.
524|Muller, H. Die dunklen Wolken in unserm. Milchstrassensystem. Sterne 15 p
524|95, 1935.
525|Muller, H. Neuere Untersuchungen Ueber die Trapezsterne im Orionnebel.
525|Sterne 18 p 38, 1938.
526|Muller, H.; Hufnagel, L. Untersuchungen fiber absorbierende Wolken beim
526|Nordamerikanebel unter Benutzung von Farbenindices schwacher Sterne. ZfA 9 p
526|331, 1935.
527|Muller, R. Cber den Dunkelnehel bei Ophiuchi. ZfA 3 p 261, 1931.
528|Muller, R. Dunkelnebel um {rho} Ophiuchi. ZfA 3 p 369, 1931.
529|Muller, R. Ueber die Dunkelnebel bei {ksi} Ophiuchi. ZfA 4 p 365, 1932.
530|Ncegamvala, K. D. On the character of the chief line of the nebula in Orion.
530|MN 51 p 442, 1891.
531|Ncegamvala, K. D. [M 8] Knowledge 19 p 183.
532|Nagaoka, H.; Futagaini, T. Laboratory excitation of nebular lines N1 and N2.
532|Proc Imp Acad Tokyo 9 p 146, 1933.
533|Nagaoka, H.; Futagaini, T. Excitation of the nebular line 4267 (C) in
533|oxygen. Proc Imp Acad Tokyo 10 p 554, 1934.
534|Nicholson, J. W. The spectrum of Nebulium. MN 72 p 49, 1911.
535|Nicholson, J. W. On the new nebular line of lambda 4353. MN 72 p 693, 1912.
536|Nicholson, J. W. Hydrogen and the primary constituents of nebulae. MN 74 p
536|204, 1914.
537|Nicholson, J. W. The constitution of nebulae. MN 74 p 486, 1914.
538|Nicholson, J. W. On the nebular line lambda 3729. MN 74 p 623, 1914.
539|Nicholson, J. W. Sur les poids atomiques des elements des nebuleuses. CR 158
539|p 1322, 1914.
540|O'Keefe, J. A. Photographs of two diffuse nebulosities. ApJ 89 p 136, 1939.
541|O'Keefe, J. A. Photograph of a diffuse nebula in Orion. ApJ 89 p 554, 1939.
542|Okunev, B. A statistical study of the spectra in the region of the Milky Way
542|in the neighbourhood of the "America" Nebula. Pulkova Bull 10 p 535, 1927.
543|Parashevopoulos, J. S. Photographs of southern clusters and nebulae.
543|Tercentenary papers, Harvard Ann 105 p 241, 1938.
544|Parashevopoulos, J. S. The diffuse nebula NGC 1982 of the Orion group
544|photographed in the red and infra-red light. Harvard Bull 909 p 4, 1938.
545|Parkhurst, J. A. Faint stars near the trapezium in the Orion nebula. ApJ 20
545|p 136, 1904.
546|Payne, C. H. A heterochromatic study of the Pleiades. Harvard Ann 89 p 41,
546|1932.
547|Pease, F. G. Radial velocities of six nebulae. Publ.ASP 27 p 239, 1915.
548|Pease, F. G. Hind's variable nebula NGC 1555. ApJ 45 p 89; Mt Wilson Contr
548|127, 1917.
549|Pease, F. G. Photographs of nebulae with the 60inch reflector 1911-1916. ApJ
549|46 p 24; Mt Wilson Contr 132, 1917.
550|Pease, F. G. Photographs of nebulae with the 60inch reflector 1917-1919. ApJ
550|51 p 276; Mt Wilson Contr 186, 1920.
551|Pechule, C. F. Beobachtungen des Cometen 1892 (Denning Marz 18). AN 129 col
551|163, 1892.
552|Pechule, C. F. Beobachtungen angestellt auf der Sternwarte in Kopenhagen. AN
552|136 col 305, 1894.
553|Perrotin, J. Observations de la nebuleuse de Maia. CR 102 p 544, 1886.
554|Peter, B. E, A. Monographie der Sternhaufen GC 4460 und GC 1440, sowie einer
554|Sterngruppe bei O Piscium. Leipzig Math Phys Abliandl 15 p 1, 1889.
555|Pickering, E. C. A photographic study of the nebula of Orion. Proc Acad
555|Boston 20, 1885; Proc Amer Acad 20 p 407, 1886.
556|Pickering, E. C. On the new nebula discovered in the Pleiades, by MM. Henry.
556|AN 113 col 399, 1886.
557|Pickering, E. C. Detection of new nebulae by photography. Harvard Ann 18 p
557|113, 1890.
558|Pickering, E. C. The great nebula in Orion. Harvard Ann 32 p 36, 1895.
559|Pickering, E. C. The Bruce photographic telescope. AN 142 col 367, 1896.
560|Pickering, E. C. Distribution of stars in clusters. AN 143 col 229; ApJ 5 p
560|352, 1897.
561|Pickering, E. C. Progress during the years 1891 to 1894. Harvard Ann 26 p
561|197, 1897.
562|Pickering, E. C. The explosion hypothesis in the light of the recent
562|phenomena of Nova Persei. ApJ 15 p 68, 1902.
563|Pickering, E. C. Spectra of known variables. Harvard Circ 111; AN 171 col
563|141; ApJ 23 p 260, 1906.
564|Pickering, E. C. The distance of the great nebula in Orion. Harvard Circ
564|205, 1918.
565|Pickering, E. C. The distance of the Pleiades. Harvard Circ 206, 1918.
566|Pickering, W. H. The parallax of the Orion nebula. Publ.ASP 31 p 86, 1919.
567|Plaskett, H. H. A possible origin of the nebular lines. Nat 112 p 392, 1923.
568|Plaskett, H. H. The spectra of nebulae. Pop Astr 32 p 462, 1924.
569|Pratt, H. The nebula in the Pleiades. MN 41 p 316, 1881.
570|Pritchard, C. A newly discovered Merope nebula. AN 126 col. 397, 1891.
571|Raab, S. A research on open clusters. Thesis. Lund Medd 2: 28, 1922.
572|Rabourdin, L. Sur quelques photographies de nebuleuses obtenues a
572|l'Observatoire de Meudon. CR 126 p 380, 1898.
573|Rabourdin, L. Sur les photographies de nebuleuses et d'amas d'etoiles
573|obtenues l'Observatoire de Meudon. CR 128 p 219, 1899; Soc Belge Astr Bull 5
573|p 47, 1900.
574|Ranpard, A. C. [ - - - - ] Knowledge 15 pp 132, 191; 1892.
575|Ranpard, A. C. [{eta} Carinae] Knowledge 18 p 133, 1895.
576|Reimer, J. P. Die Nebel in der gegend von Omikron Persei. Wien Mitt 4 p 237;
576|Sitzungsber Akad Wien Math naturw Kl 2 a 144 p 497, 1935.
577|Rein, N. Ueber Verdichtungen innerhalb der Staubnebel. RAJ 10 p 400, 1933.
578|Reinmuth, K. Die Herschel-Nebel nach Aufnahmen der Konigstuhl-Sternwarte.
578|Heidelberg Veroff 9, 1926.
579|Reynolds, J. H.; Knox-Shaw, H. The variable nebula in Corona Australis (NGC
579|6729) R. A. 18h 52m. Dec. 37{deg} 8'. MN 76 p 645, 1916.
580|Reynolds, J. H.; Knox-Shaw, H. The distribution of bydrogen and nebulium in
580|the Orion nebula. MN 79 p 561, 1919.
581|Reynolds, J. H.; Knox-Shaw, H. Note on the distribution of hydrogen and X
581|3727 in the Orion nebula. MN 81 p 410, 1921.
582|Reynolds, J. H.; Knox-Shaw, H. The distribution of ionized oxygen in the
582|gaseous nebulae. Nat 121 p 206,1928.
583|Reynolds, J. H.; Knox-Shaw, H. The galactic nebulae. MN 96 p 393, 1936.
584|Reynolds, J. H.; Knox-Shaw, H. Observational evidence for the distribution
584|of matter in space. Nat 140 p 387, 1937.
585|Ricco, A. Photograph of the nebula near 42 Orionis made at the astrophysical
585|observatory of Catania. ApJ 2 p 164, 1895.
586|Ritchey, G. W. Astronomical photography with the forty-inch refractor and
586|the two-foot reflector of the Yerkes Observatory. Chicago Decenn Publ 8 p
586|389, 1904,
587|Ritchey, G. W. Photographing the star-clusters. Harper 109 p 508, 1904.
588|Ritchey, G. W. Notes on photographs of nebulae made with the 60-inch
588|reflector of the Mount Wilson Observatory. MN 70 pp 623, 647; 1910.
589|Roherts-Klumphe, D. Preliminary catalogue of Isaac Robert's collection of
589|photographs of celestial objects. AN 174 col 17, 1907.
590|Roherts-Klumphe, D. Nebuleuses des Herschels vues avec le telescope dIsaac
590|Roberts. Riv di Astr 2 p 82, 1908.
591|Roberts-Klumpke, D. Tableau synoptique des nebuleuses des Herschels. Riv di
591|Astr 2 pp 170, 189, 216; 1908.
592|Roherts-Klumphe, D. The nebula H IV 69 Tauri, NGC 1514, and the fainter
592|nebulae, NGC 821, 2655, 2782, 2787, 2830, 2859, 2880. MN 74 p 234, 1914.
593|Roherts-Klumphe, D. I. Roberts' atlas of 52 regions. A guide to Herschel's
593|fields. London, 1928.
594|Roherts-Klumphe, D. William Herschel's fifty-two extensive diffused
594|nebulosities. Pop Astr 39 p 23, 1931.
595|Roherts-Klumphe, D. Presentation of photographs of Sir William Herschel's
595|fields H 12, H 1415, H 20-21, H 33, H 41 of extensive diffuse nebulosity and
595|of the Baxendell nebulosity NGC 7088. VJS 70 p 330, 1935.
596|Roberts, I. Note on two photographs of the nebulae in the Pleiades taken in
596|October 1886. MN 47 p 24, 1886.
597|Roberts, I. Photographs of nebulae in Orion and in the Pleiades. MN 47 p 89,
597|1887.
598|Roberts, I. Photographs of the nebulae in the Pleiades and in Andromeda. MN
598|49 p 120, 1889.
599|Roberts, I. Photographic analyses of the great nebula M 42 and 43 and h 1180
599|in Orion. MN 49 P 295, 1889.
600|Roberts, I. Photograph of the region of Hind's variable nebula in Taurus. MN
600|51 p 440, 1891.
601|Roberts, I. Photographs of the region of the "Crab" nebula, 1 M Tauri. MN 52
601|p 592, 1892.
602|Roberts, I. Photograph of the nebula H V 15, near 52 Cygni. MN 52 p 544,
602|1892.
603|Roberts, I. Photographs of stars, clusters and nebulae 1. London, 1893.
604|Roberts, I. Photograph of the nebulae M 78 and H IV 36 Orionis. MN 54 p 437,
604|1894.
605|Roberts, I. Photograph of the nebula near 15 Monocerotis. MN 55 p 393, 1895.
606|Roberts, I. Photograph of the Crab nebula M 1 Tauri. MN 55 p 399, 1895.
607|Roberts, I. Photograph or the cluster H VIII 76 and of a new nebula in
607|Cygnus. MN 56 p 33, 1895.
608|Roberts, I. Photograph of the cluster H VII 66, and of the nebula H IV 75
608|Cephei. MN 56 p 380, 1896.
609|Roberts, I. On the evolution of stellar systems. Brit Ass Rep 1896, p 707.
610|Roberts, I. Nebulae unrecorded in the catalogues found on photographs by
610|Isaac Roberts, D. Se., F. R. S. AN 143 col 341, 1897.
611|Roberts, I. Nebulae which are not recorded in the catalogues found upon
611|photographs by Isaac Roberts, D. Sc., F. B.S. AN 147 col 87, 1898.
612|Roberts, I. Photographs of the nebulae in the Pleiades, of stars in the
612|surrounding regions and of spurious nebulosity. MN 58 p 392, 1898.
613|Roberts, I. Nebulous region round the cluster NGC No 2239, Monocerotis. JBAA
613|9 p 351, 1899.
614|Roberts, I. Photograph of nebulae surrounding the star DM No 1841
614|Monocerotis. JBAA 10 p 34, 1899. (Originally published in Knowledge 1899
614|Nov,)
615|Roberts, I. Photographs of stars, starclusters and nebulae, 2. London, 1899.
616|Roberts, I. Photograph of the Trifid nebula H IV 41 Sagittarii, and of the
616|region surrounding. Knowledge 23 p 35, 1900.
617|Roberts, I. Photographs of the nebulae M 8 Sagittarii and of H VI Ceti.
617|Knowledge 23 p 132, 1900.
618|Roberts, I. Photographs of the cluster M 35 and H VI 17 Geminorum, and of
618|nebulae in Monoceros. Knowledge 24 p 11, 1901.
619|Roberts, I. Photographs of the nebulae H V 32 Orionis, H IV 2 Monocerotis, H
619|IV 28 Corvi, and H 1 139 (M. 61 Virginis. Knowledge 24 p 180, 1901.
620|Roberts, I. William Herschel's observed nebulous regions, 52 in number,
620|compared with Isaac Roberts' photographs of the same regions, taken
620|simultaneously with the 20inch reflector and 5-inch Cooke lens. MN 63 p 26;
620|AN 160 col 338; ApJ 17 p 72, 1902.
621|Roberts, I. Photograph of the nebuloas region on the following side of Gamma
621|Cygni. Knowledge 25 p 247, 1902.
622|Roberts, I. Photographs of celestial objects taken at the Paris Observatory
622|and at the Star-field Observatory, Crowborough, Sussex. JBAA 12 p 109, 1902.
623|Roberts, I. Photograph of the nebula round the star DM No 980, Zone 34{deg},
623|in the constellation Auriga. Knowledge 26 p 81, 1903.
624|Roberts, I. On the nebula h 2332 NGC 7822 Cassiopeiae, etc. MN 63 p 301,
624|1903.
625|Roberts, I. Herschel's nebulous regions. ApJ 17 p 72, 1903.
626|Roberts, I. The surroundings of the "America" nebula. Knowledge 26 p 206,
626|1903.
627|Roberts, I. Ein merkwurdiger Nebel im Sternbild des Fuhrmanns. Sir 33 p 282,
627|1905.
628|Ross, F. E. Photograph of the Orion nebulosities. ApJ 65 p 137, 1927.
629|Ross, F. E. Nebulosities in Monoceros, Taurus, and Perseus. ApJ 67 p 281,
629|1928.
630|Ross, F. E.; Calvert, M. R. Atlas of the Milky Way. Chicago, 1934.
631|Rosse, L. Observations of nebulae and clusters of stars made with the
631|six-foot and three-foot reflectors at Birr Castle, from the year 1848 up to
631|the year 1878. Trans Soc Sci Dublin 2 p 1, 1880-82.
632|Rumker, G. Positionsbestimmungen von Nebelflecken und Sternhaufen. Hamburg
632|Mitth 1, 1895.
633|Runge, C. Einige spectroskopische Beobachtungen mit dem grossen Refractor
633|der Lick-Sternwarte. AN 145 col 227, 1897.
634|Runge, C. On the relative intensities of the lines in the spectrum of the
634|Orion nebula. ApJ 8 p 32, 1898.
635|Russell, H. C. Photographs of the Milky Way and Nubeculae taken at Sydney
635|Observatory, 1890.
636|Russell, H. C. Photograph of {eta} Argus. MN 52 p 545, 1892.
637|Russell, H. N. Some problems of sidereal astronomy. Wash Nat, Ac Proc 5 p
637|391; Pop Astr 28 p 212, 1919.
638|Russell, H. N. [Reply to Fowlers Adress.] Obs 44 p 72, 1921.
639|Russell, H. N. Dark nebulae. Wash Nat Ac Proc 8 p 115; Mt Wilson Comm 17;
639|Nat 110 p 81, 1922.
640|Saha, At. The origin of the Nebulium spectrum. Nat 121 p 418, 1928.
641|Sanford, R. F. Spectrum of tile Crab nebula. Publ.ASP 31 p 108, 1919.
642|Sanford, R. F. Note on the spectrum of NGC 6992. Publ.ASP 36 p 349, 1924.
643|Schaeberle, J. M. A large new nebula in Auriga. Publ.ASP 4 p 85, 1892.
644|Schaeberle, J. M. Observations of the spectrum of the Orion nebula. ApJ 6 p
644|364, 1897.
645|Schaeberle, J. M. On the spiral character of the nebulosities surrounding
645|{gam} Cassiopeia. AJ 23 p 225, 1903.
646|Scheiner, J. Ueber den grossen Nebel bei {ksi} Persei (NGC 1499). AN 132 col
646|203, 1893.
647|Scheiner, J. Ausmessung des Orionnebels nach photographischen Aufnahmen.
647|Postdam Publ 11 p 27, 1896.
648|Scheiner, J. Literarische Anzeigen: J. E. Keeler: Spectroscopic observations
648|of nebulae,etc.: Lick Publ 3 part 4, 1894. VJS 32 p 42, 1897.
649|Scheiner, J. Bemerkung zu den spectroskopischen Beobachtungen des Herrn
649|Runge auf der Lick-Sternwarte. AN 145 col 309, 1898.
650|Scheiner, J. Note on professor Campbell's observations of variations in the
650|intensities of the lines in the Orion nebula. ApJ 7 p 295, 1898.
651|Scheiner, J. Ueber das Spectrum des Wasserstoffs in den Nebelflecken. AN 145
651|col 305, 1898.
652|Scheiner, J. Ueber den Sternhaufen am {del} Orionis. AN 147 col 149, 1898.
653|Scheiner, J. Ueber die photographisch-photornetrischen Untersuchungen des
653|Herrn Keeler am Orionnebel. AN 159 col 299; ApJ 10 p 164, 1899.
654|Scheiner, J.; Wilsing, J. Bestimmung der Intensitatsverhaltnisse der
654|Hauptlinien im Spectrum einiger Gasnebel. AN 159 col 182; ApJ 16 p 234,
654|1902.
655|Schloss, H. Die Oriongruppe. ZfA 12 p 101, 1936,
656|Schmidt, J. F. J. Veranderliche Sterne 1881, beobachtet zu Athen. AN 101 col
656|311, 1882.
657|Schoenberg, E.; Jung, B. Strahlungsdruck und Gravitation in der Umgebung der
657|Fixstern.e. AN 247 col 413, 1933.
658|Schoenberg, E.; Jung, B. Ueber die Lichtzerstreuung im interstellaren Raum
658|durch. Wolken metallischer Partikel. AN 253 col 261, 1934.
659|Schoenberg, E. Verteilung und Natur der dunklen Materie im Weltraum. Phys Z
659|1936 No 22,23.
660|Schoenberg, E. Ueber die Verteilung und die Natur der dunklen Materie im
660|Weltraum. Z f technische Physik 17 p 359, 1936.
661|Schoenberg, E. Ueber neblige Sterne. AN 263 col 417, 19,17.
662|Schoenberg, E.; Lainbrecht, H. Interstellare Materie. Erg d exakt Naturw 19
662|p 1, 1940.
663|Schuller, F. Nebulosites diffuses et obscures d'Orion. Memoirs and
663|Observations or the Czech Astron Soc at Prague 1: 2 p 1, 1936.
664|Seares, F. H.; Hubble, E. P. The color of the nebulous stars. ApJ 52 p 8; Mt
664|Wilson Contr 187, 1920.
665|Scares, F. H. The dust of space. Publ.ASP 52 p 80, 1940.
666|See, T. J. J. Micrometrical measures or the double stars in the great nebula
666|and cluster surrounding {eta} Carinae, made with the 24-inch refractor of
666|the Lowell Observatory. MN 57 p 541, 1897.
667|See, T. J. J. On the heat of the sun, and on the temperatures and relative
667|ages of the stars and nebulae. AN 148 col 177, 1899.
668|See, T. J. J. Repulsive forces in nature. PoP Astr 10 p, 505, 1902.
669|Seeliger, H. Theorie der Beleuchtung staubformiger kosmischer Massen, etc.
669|Abli K Bayer Akad Wiss 2 KI 18 p 1, 1893.
670|Seeliger, H. Ueber kosmiche Staubmassen und das Zodiakallicht. Munchen Ber
670|31 p, 265, 1901.
671|Seeliger, H. Remerkungen zu deni Aufsatz "Ueber die Gasnebel und die
671|Konstitution der Milchstrasse". AN 171 col 209, 1906.
672|Seeliger, H. Ueber die Eigenbevegungen der Nebel-flecke. AN 203 col 305,
672|1916.
673|Selga, M. Singularidad del espectro de la nebulosa NGC 6514. Rev Soc Astr
673|Esp 4 p 120, 1914.
674|Selga, M. Velocidad radial de la nebulosa Omega. Rev Soc Astr Esp 6 p 13,
674|1916.
675|Searger, H. Die spiralige Struktur des Orion-Sternbildes. Sir 57 p 3, 1924.
676|Sevin, E. Sur l'absorption spontane des rayonnements et la deviation des
676|raies spectrales des nebuleuses. CR 197 p 26, 1933.
677|Shajn, G. Die Absorption im Raum und die Farbe der in diffuse Nebel
677|eingehullten Sterne. ZfA 8 p 168, 1934.
678|Shajn, G. Note on the intensity decrement or Balmer lines in gaseous
678|nebulae. Pulkova Circ 11 p 8, 1934.
679|Shapley, H.; Davis, H. Messier's catalog of nebulae and clusters. Publ.ASP
679|29 p 177, 1917.
680|Shapley, H. On the dwarf variable stars in the Orion nebula. Harvard Circ
680|254, 1924.
681|Shapley, H. A large unrecorded nebula. Harvard Bull 843 p 5, 1927.
682|Shapley, H.; Paraskevopoulos, J. S. Galactic and extragalactic studies, 3.
682|Photographs of thirty southern nebulae and clusters. , Wash Nat Ac Proc 26 p
682|31, 1940.
683|Shapley, H.; Paraskevopoulos, J. S. Southern clusters and galaxies. Harvard
683|Bull 914 p 6, 1940.
684|Shortley, G. H.; Menzel, D. H. Physical processes in gaseous nebulae 9. On
684|the excitation of fractional multiplets by electron capture. ApJ 91 p 307,
684|1940.
685|Shortley, G. H.; Aller, R. H.; Baker, I. G , ; Menzel, D. H. Physical
685|processes in gaseous nebulae 11. Strengths of forbidden lines in p2, p 3,
685|and p4 as a function of coupling. ApJ 93 p 178, 1941.
686|Silbernagel, E. Positionsmessungen von Nebelflecken. AN 230 col 305, 1927.
687|Silbernagel, E. Katalog von 189 Nebelflecken. AN 230 col 441, 1927.
688|Slipher, V. M. On the spectrum of the nebula in the Pleiades. Lowell Bull
688|55, 1913.
689|Slipher, V. M. On the spectrum of the nebula about Rho Ophiuchi. Lowell Bull
689|75, 1916.
690|Slipher, V. M. A new type of nebular spectrum. Lowell Bull 81, 1918.
691|Slipher, V. M. Notes from Pacific Coast Observatories. The spectrum of NGC
691|7023. Publ.ASP 30 p, 63, 1918.
692|Slipher, V. M. On the spectra of the Orion nebulosities. Publ.ASP 31 p 212,
692|1919.
693|Slipher, V. M. The spectra of two variable nebulae: a new type of nebular
693|spectrum. Pop Astr 27 p 149, 1919.
694|Slipher, V. M. The spectrum of the variable nebula NGC 2261. Publ.ASP 51 p
694|115, 1939.
695|Slipher, V. M. Spectra of the Pleiades, Scorpio and Cygnus nebulosities.
695|Publ.AAS 9 p 168, 1939.
696|Slipher, V. M. The spectra of faint extended nebulae from Cepheus to Orion.
696|Publ.AAS 9 p 229, 1939.
697|Smart, W. M. Proper motions of stars in the Pleiades. MN 81 p 536, 1921.
698|Smith, A.; Ellis, H. The nebula following Zeta Orionis (M 78). EM 75 pp 31,
698|57, 76; 1902.
699|Smith, A. The belt and sword of Orion. Knowledge 25 p 131, 1902.
700|Spitaler, R. Beobachtungen von Cometen und Nebeln. AN 125 col 281, 1890.
701|Spitaler, R. Beobachtungen von Nebelflecken am 27 zoll. Grubb'schen
701|Refraktor der K. K. Sternwarte in Wien. AN 132 col 369,1893.
702|Stephan, E. Nebuleuses decouvertes et observees par M. E. Stephan, a
702|l'Observatoire de Marseille. AN 105 col 81, 1883.
703|Stevenson, A. F. The intensities of certain nebular lines and the mean lives
703|of atoms emitting them. Proc Roy Soc London A 137 p 298, 1932.
704|Stobbe, J. Die photographie schwacher Flachenhelligkeiten verschiedener
704|Farbe. ZfA 2 p 182, 1931.
705|Stobbe, J. Ueber die spektrale Empfindlichkeit photographischer Platten. AN
705|251 col 65, 1934.
706|Stoy, R. H. The presence of Clorine in the gaseous nebulae. Publ.ASP 47 p
706|164, 1935.
707|Stoy, R. H. Observations of the visual spectrum of the gaseous nebulae. Lick
707|Bull 480, 1935.
708|Stratonov, V. Nouvelle nebuleuses dans les Pleiades. AN 141 col 103, 1896.
709|Stratonov, V. Note sur les Pleiades. AN 144 col 137, 1897.
710|Struve, O. Der Nebelfleck um C Orionis. Melanges mathematiques et
710|astronomiques tires d Bull d l'Acad Imp Sci St.-Petersbourg 6, 1887.
711|Struve, O. Ueber den Majanebel. AN 114 col 97, 1886.
712|Struve, O.; Elvey, C. T.; Keenan, P. C. On the colors of diffuse nebulae
712|having continuous spectra. ApJ 77 p 274, 1933.
713|Struve, O. Ueber eine angebliche Methode zum Photographieren von
713|Kalziumwolken. AN 253 col 223, 1934.
714|Struve, O.; Elvep, C. T. Photometric observations of some of Barnard's dark
714|nebulae. ApJ 83 p 162, 1936.
715|Struve, O.; Story, H. Scattering of light in diffuse nebulae. ApJ 84 p 203,
715|1936.
716|Struve, O.; Elvey, C. T.; Roach, F. E. Reflection nebulae. ApJ 84 p 219,
716|1936.
717|Struve, O. On the interpretation of the surface brightnesses of diffuse
717|galactic nebulae. ApJ 85 p 194, 1937.
718|Struve, O. An emission nebula near {sig} Scorpii. ApJ 86 p 94; McDonald
718|Contr 5, 1937.
719|Struve, O. Recent progress in the study of reflection nebulae. Pop Astr 45 p
719|9, 1937.
720|Struve, O. A new slit spectrograph for diffuse galactic nebulae. ApJ 86 p
720|613, 1937.
721|Struve, O.; Elvey, C. T. A search for red nebulae. Publ.AAS 9 p 23, 1937.
722|Struve, O.; Elvey, C. T. Colors of nebulae near {gam} Cygni. ApJ 85 p 252,
722|1937.
723|Struve, O. La constitution des nebuleuses par reflexion. Ann d'Astrophys 1 p
723|143, 1938.
724|Struve, O.; van Biesbraeck, G.; Elvey, C. T. The 150-foot nebular
724|spectrograph of the McDonald Observatory. ApJ 87 p 559; McDonald Contr 7,
724|1938.
725|Struve, O.; Elvey, C. T. Emission nebulosities in Cygnus and Cepheus. ApJ 88
725|p 364; McDonald Contr 9,1939.
726|Struve, O.; Elvey, C. T. Observations made with the nebular spectrograph of
726|the McDonald Observatory 1, 2. ApJ 89 pp 119, 517; McDonald Contr 9, 1939.
727|Struve, O.; Elvey, C. T.; Linke, W. Ohservations made with the nebular
727|spectrograph of the McDonald Observatory 3. ApJ 90 p 301; McDonald Contr 9,
727|1939. 1939.
728|Struve, O.; Elvey, C.T. Emission spectra of faint nebulae. Publ.AAS 9 p 170,
728|1939.
729|Stromgren, B. Nebuliumlinjernes problem. NAT 9 p 107, 1928.
730|Sullivan, R. What arc the nebulae? Pop Astr 27 p 495, 1919.
731|Swift, L. The Merope nebula. NIN 42 p 107, 1882.
732|Swift, L. Catalogue No 1 of nebulae discovered at the Warner Observatory. AN
732|112 col 313, 1885.
733|Swift, L. Catalogue No 2 of nebulac discovered at the Warner Observatory. AN
733|113 col 305, 1886.
734|Swift, L. Catalogue No 5 of nebulae discovered at the Warner Observatory. AN
734|116 col 33, 1886.
735|Swift, L. Catalogue No 8 of nebulae discovered at the Warner Observatory. AN
735|122 col 241, 1889.
736|Swift, L. Catalogue No 9 of nebulae discovered at the Warner Observatory. AN
736|126 col 49, 1891.
737|Swift, L. Catalogue No 10 of nebulae discovered at the Warner Observatory.
737|AN 129 col 361, 1892.
738|Swift, L. Catalogue No11 of nebulae discovered by Lewis Swift. AN 147 col
738|209, 1897.
739|Swift, L. List No 6 of nebulae discovered at the Lowe Observatory, Edw
739|Mountain, California. MN 58 p 331, 1898.
740|Swings, P.; Edlen, B. Sur la presence des raies interdites de Ne V dans le
740|spectre des nebuleuses. CR 198 p 1748, 1934.
741|Swings, P.; Edlen, B. Sur la presence des raies interdites de Ne V dans le
741|spectre des nebuleuses. Institut d'Astronomie de l'Universite de Liege
741|Belgique 130, 1935.
742|Swings, P.; Edlen, B. Sur la presence des raies interdites d'Argon IV dans
742|le spectre des nebuleuses. Institut d'Astronomie de l'Universite de Liege
742|Belgique 132, 1935.
743|Swings, P. Les spectres des nebuleuses gazeuses. Paris 1935.
744|Stiger, R. Les bases physiques de nos connaissances astronomiques et les
744|observations faites sur les nebuleuses. Guebhard-Severine Ann 10 p 430,
744|1934.
745|Taylor, A. Note on observations of nebulae spectra at Hurtside Observatory.
745|NIN 49 p 124, 1889.
746|Tempel, W. Schreiben des Herrn Tempel, Astronomen der Konigl Sternwarte zu
746|Arcetri, an den Herausgeber. AN 90 col 27, 1877. Ibid 93 col 49, 1878.
747|Tempel, W. Ueber den scheinbaren Unterschied der zwei vorhandenen
747|zeichnungen vom grossen Nebelflecken: Messier 8, von John Herschel und
747|Wilhelm Tempel. AN 90 col 355, 1877.
748|Tempel, W. Note on the nebula near Merope. NIN 40 p 622, 1880.
749|Tisserand, F. Remarque sur les vitesses radiales des nebuleuses. Bull Astr
749|12 p 196, 1895.
750|Trumpler, R. Preliminary results on the constitution of the Pleiades
750|cluster. Pop Astr 26 p 9, 1918.
751|Trumpler, R. The physical members of the Pleiades group. Lick Bull 10 p 110,
751|1921.
752|Trumpler, R. The structure of Barnard's Merope nebula. Publ.ASP 34 p 165,
752|1922.
753|Trumpler, R. Preliminary results on the distances, dimensions and space
753|distribution of open star clusters. Lick Bull 14 p, 154, 1930.
754|Trumpler, R. The distance of the Orion nebula. Publ.ASP 43 p 255, 1931.
755|Trumpler, R. Galactic star clusters. ApJ 91 p 186, 1940.
756|Venkatesachar, B. Density of a luminous gas and the emission or light by
756|atoms in metastable states. Nat 121 p 356, 1928.
757|Vogel, H. Resultate spectralanalytischer Beobachtungen argestellt auf der
757|Sternwarte zu Bothkamp. AN 78 col 241, 1871,
758|Vogel, H. Versuche die Bewegung von Sternen durch spectroskopische
758|Beobachtungen zu ermitteln. AN 82 cot 291, 1873.
759|Vogel, H. Ueber die Bedeutung der Photographie zur Beobachtung von
759|Nebelflecken. AN 119 col 337, 1888.
760|Vorontsov-Velyaminov, B. Possible origin of diffuse nebulae and of
760|interstellar matter. Obs 54 p 216, 1931.
761|Vorontsov-Velyaminov, B. General catalogue of planetary nebulae with a
761|statistical discussion on the subject. RAJ 11:1 p 40, 1934.
762|Vorontsov-Velyaminov, B. Space distribution of planetary nebulae. ZCA 8 p
762|195, 1934.
763|Vorontsov-Velyaminov, B. New stars and galactic nebulae. Moskva-Leningrad,
763|1935. Compare: v. d. Pahlen, ZfA It p 263, Gaposchkin, Pop Astr 44 p 115;
763|Obs 59 p 95.
764|Vorontsov-Velyaminov, B. Early nebular stage and hypothetical parallax of
764|Nova Herculis. ZfA 11 p 145, 1935.
765|Walher, G. W. Some problems illustrating the forms of nebulae. Proc Roy Soc
765|London 91 p 410, 1915.
766|Wallenquist, A. On the dark nebula at {tet} Ophiuchi. Ark Mat Astr Fys 25 B
766|28; Upsala Medd 71, 1937.
767|Wallenquist, A. On the galactic nebula Messier 8. Upsala Ann 1:3; Kungl
767|Svenska Vetenskapsakad liandl 3: 18: 7, 1940.
768|Wallenquist, A. Note on the distribution of light through the Trifid nebula
768|(Messier 20). Ark Mat Astr Fys 27 B 7; Upsala Medd 79, 1940.
769|Waller, C. The great nebula in Orion and its surroundings. EM 75 p 10, 1902.
770|Walter, K. Ueber Polarisation im Nebel um FU Orionis. ZfA 20 p 256, 1941.
771|Weiss, E. Ueber die Nebel in den Plejaden. AN 114 col 209, 1886.
772|Wesley, W. H. [The Pleiades] Journ Liverpool Astr Soc 5 p 148,
773|Wesley, W. H. The great nebula in Orion. Obs 23 p M, 1900.
774|White, V. F. Photographic proper motions of stars in two regions. MN 92 p
774|519, 1932.
775|White, V. F. The proper motions of faint stars in two regions. MN 97,p 202,
775|1937.
776|Wilson, F. Clusters and nebulae visible with small optical means. JBAA 27 p
776|72, 1915.
777|Wilson, H.C. A photograph of the Pleiades and two asteroids. Astr and
777|Astrophys 13 p 192; Pop Astr 1 p 322, 1894.
778|Wilson, H. C. The great nebula in Orion. Pop Astr 1 p 433, 1894.
779|Wilson, H. C. The exterior nebulosities of the Pleiades. Pop Astr 7 p 57,
779|1899.
780|Wilson, H. C. photograph of the nebula HV 15 = NGC 6960. Pop Astr 10 p 432,
780|1902.
781|Wilson, H. C. Celestial photography at a high altitude. Pop Astr 12 p 509,
781|1904.
782|Wilson, H. C. The large nebulous areas or the sky. Pop Nstr 12 p 401, 1904.
783|Wilson, H. C. The number and distribution of the stars in the vicinity of
783|the Pleiades. Pop Astr 15 p 193, 1907.
784|Wilson, O. C. Helium absorption due to the Orion nebula. Publ.ASP 49 p 338,
784|1937.
785|Wilson, O. C. Relative populations of 2^1^S and 2^3^S states of helium in
785|the Orion nebula. ApJ N p 1360; Mt Wilson Contr 625, 1940.
786|Wilson, R. E. Recent observations ofthe nebulae and their bearing upon the
786|probtem of stellar evolution. Pop Astr 23 p 553, 1915.
787|Wilson, W. E. Astronomical and physical researches made at Mr. Wilson's
787|Observatory, Danamona, Westmeak, London, 1900.
788|Wirtz, C. Die Trift der Nebelflecke. AN 203 cols 197, 293; 1916.
789|Wirtz, C. Ueber Helligkeitsschatzungen von Nebelflecken. AN 204 col 189,
789|1917.
790|Wirtz, C. Sternhaufen, Nebelflecke und Weltraum. Astronomische Schriften des
790|Bundes der Sternfreunde 1, Stuttgart, 1922.
791|Wirtz, C. Flachenhelligkeiten von 566 Nebelflecken und Sternhaufen. Lund
791|Meld 2:29, 1923.
792|Wolf, M. [Photograph of the Pleiades.] Sirius 1891 p 106.
793|Wolf, M. Ueber den grossen Nebel um {zet} Orionis. AN 127 col 39, 1891.
794|Wolf, M. Ueber grosse Nebelmassen im Sternbilde des Schwans. AN 127 col 427,
794|1891.
795|Wolf, M. Nebula surrounding b Orionis discovered by photography. JBAA 1,
795|1891.
796|Wolf, M. Photograpbische Aufnahmen der Nova Aurigae und einiger neuer
796|ausgedehnter Nebelflecke. AN 131 col 157, 1893.
797|Wolf, M. Ueber einige neue Nebelflecke. AN 134 col 365, 1894.
798|Wolf, M. Notiz Ueber die Plejaden-Nebel. AN137 col 175, 1895.
799|Wolf, M. Reflector and portrait lens in celestial photography. Nat 55 p 582,
799|1897.
800|Wolf, M. Die Aussen-Nebel der Plejaden. Munchen Abh 20: 3 p 615, 1900.
801|Wolf, M. The "America" nebula in Cygnus. Knowledge 25 p 156, 1902.
802|Wolf, M. On three or Sir William Herschel's observed nebulous regions in
802|Orion. MN 63 p 303, 1903.
803|Wolf, M. The surroundings of tha "America" nebula., Knowledge 26 p 155,
803|1903.
804|Wolf, M. Ueber eine Eigenschaft der grossen Nebel. AN 161 col 129, 1903.
805|Wolf, M. The great nebula in Auriga. MN 63 506, 1903,
806|Wolf, M. The nebulosities round {gam} Cygni. Knowledge N S 1 p 10, 1904.
807|Wolf, M. A remarkable nebula in Cygnus connected Nvith starless regions. MN
807|64 p 838, 1904.
808|Wolf, M. The inner nebulae of the Pleiades. Knowledge N S 1 p 288, 1904.
809|Wolf, M. The great nebula of {psi} Eridani. MN 65 p 528, 1935.
810|Wolf, M. Der grosse Nebel bei {ksi} Persei. Weltall 5 p 212, 1905.
811|Wolf, M. Ausgedehnte Nebelffecken. AN 171 col 27, 1906.
812|Wolf, M. Ueber den Nebelfleck um BD -10 1848. AN 171 col 169, 1906.
813|Wolf, M. The nebula H IV 74 Cephei. MN 68 p 30, 1907.
814|Wolf, M. Die Milchstrasse. Leipzig, 1908.
815|Wolf, M. Das Spektrurn des Milchstrassennebels H V 15 Cygni. AN 178 col 379,
815|1908.
816|Wolf, M. A new "Cave-Nebula" in Cepheus. MN 69 p 117, 1908.
817|Wolf, M. Ueber einige Nebelspektren. AN 180 col 151, 1909.
818|Wolf, M. Die nordliche Fortsetzung der Orion-Nebel. Heidelberg Sitz-Ber
818|1910, 3.
819|Wolf, M. Das Spektrum des Amerika-Nebels. Heidelberg Sitz-Ber 1910, 27.
820|Wolf, M. Ueber das Spektrum der Hohlennebel. AN 204 col 41, 1917.
821|Wolf, M. Ueber zwei Hohlennebel in Cepheus und einige, andere Nebel dieser
821|Gegend. AN 209 col 3~03, 1919.
822|Wolf, M. Ueber den dunklen Nebel NGC 6969. AN 219 col 109, 1923.
823|Wolf, M. Die Sternleeren bei S Monocerotis. Festschrift fur H. v. Seeliger p
823|312, 1924.
824|Wolf, M. Die Sternleeren beiin Amerikanebel. AN 223 col 89, 1924.
825|Wolf, M. Ueber einen Nebelfleck in Gemini. AN 231 col 229, 1927.
826|Woltjer, J. jr. Note on the excitation of "forbidden" lines in the nebular
826|spectrum. BAN 4 p 107, 1927.
827|Wood, H. E.; Innes, R. T. A. Observations of southern nebulae. Transvaal
827|Circ 2 p 13, 1910.
828|Wood, H. E.; Innes, R. T. A. Notes on southern nebulae. Transvaal Circ 4 p
828|35, 1910.
829|Wood, H. E. Notes on southern nebulae. Transvaal Circ 7 p 76, 1911.
830|Wright, W. H. Variations in the spectrum of the Orion nebula. ApJ 6 p 365,
830|1897.
831|Wright, W. H. On Mr. Love's formula for the wavelengths of nebular lines. MN
831|62 p 630, 1902.
832|Wright, W. H. Some southern nebulae. JBAA 12 p 179, 1902.
833|Wright, W. H. A determination of the wave-lengths of the brighter nebular
833|lines. Lick Bull 19; ApJ 16 p 53, 1902.
834|Wright, W. H. Note on some lines in the spectra of the nebulae. Lick Bull 6
834|p 61, 1910.
835|Wright, W. H. Note on the nebular line N 3729. MN 75 p 20, 1914.
836|Wright, W. H. On the occurrence of the line 4686 A and their related series
836|of lines in the spectra of the planetary nebulae. Wash Nat Ac Proc 1 p 266,
836|1915.
837|Wright, W. H. Outlines of a proposed system of classification of the nebulae
837|by means of their spectra. Wash Nat Ac Proc 1 p 590, 1915.
838|Wright, W. H. Some probable identities in wavelength in nebular and stellar
838|spectra. Wash Nat Ac Proc 1 p 596, 1915.
839|Wright, W. H. The wave-lengths of the green nebular lines N1 and N2. Lick
839|Bull 9 p 6, 1916.
840|Wright, W. H. The wave-lengths of the nebular lines and general observations
840|of the spectra of the gaseous nebulae. Lick Publ 13: 6, 1919.
841|Wright, W. H. Certain aspects of recent spectroscopic observations of the
841|gaseous nebulae which appear to establish a relationship between them and
841|the stars. Proc Amer Phil Soc 59 p 517, 1920.
842|Wright, W. H. Further observations of oxygen III lines in the nebular
842|spectrum. Publ.ASP 46 p 280, 1934.
843|Zanstra, H. An application of the quanturn theory to the luminosity of
843|diffuse nebulae. Phys Review (2) 27 p 644, 1926; ApJ 65 p 50, 1927.
844|Zanstra, H. Radiation-pressure in an expanding nebula. MN 95 p 84, 1935.
845|Zanstra, H. Dynamics of radiation pressure for a diffuse nebula. MN 97 p 37,
845|1936.
846|Zanstra, H. Theorie de l'emission de la lumiere des nebuleuses. Exposes
846|d'astronomie stellaire 7; Actualites scient et industr 442, 1936.
847|Zanstra, H. On the relative line intensities in nebulae. With a historical
847|remark. Obs 61 p 295, 1938.
848|Zehnder, L. Ueber Nebelflecke. AN 216 col 301, 1922.
849|(anonymous) On the systematic search for comets together with a list of
849|nebulae. Science Observer 1888.
850|(anonymous) Spectroscopic observations of nebulae. MN 55 p 253 (Council
850|note), 1895.
851|(anonymous) Nebulae discovered at the Harvard College Observatory. Harvard
851|Ann 60 p 147, 1908.
852|(anonymous) A catalogue of photographic charts of the sky. Harvard Ann 60 p
852|231, 1908.
853|(anonymous) The photography of nebulae. MN 71 p 342, 1911.
854|(anonymous) Beobachtung des Nebels h 3345 = NGC 3699. Union Obs Circ 17 p
854|121, 1914.
855|(anonymous)Two gaseous nebulae. Harvard Bull 780, 1922.
856|(anonymous) Variable nebulous star, CPD -37 8450. Harvard Bull 780, 1922.
857|(anonymous) Recent studies of faint diffuse nebulae. Obs 62 p 23, 1939.
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