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IV/26 Hercules Messier 13 (M13) photometry (Ludendorff, 1905)
The following files can be converted to FITS (extension .fit .fgz or .fiZ)
catalog.dat notes.dat notes2.dat
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=IV/26
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Beginning of ReadMe :IV/26 Hercules Messier 13 (M13) photometry (Ludendorff, 1905)
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Der grosse Sternhaufen im Hercules Messier 13.
Ludendorff H.
<Publ. Astrophys. Obs. Potsdam, 50, 1 (1905)>
=1905POPot..50....1L
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ADC_Keywords: Clusters, globular
Description:
Ludendorff's catalog of the M13 globular cluster results from
observations made with the 32.5cm refractor of Potsdam Observatory,
one on 17 July 1900 (plate A), and the second on June 1902 (plate B).
Each plate was measured twice, in opposite position, to remove the
possible errors.
The catalog contains accurate positions on both plates, photographic
magnitudes, and comparison with the previous results from Scheiner
(1892).
Number 1119 to 1127 where seen only in one position on plate A,
and in two positions on plate B.
Number 1128 to 1136 where seen only on plate A, and are not
in Scheiner catalog.
Objects:
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RA (2000) DE Designation(s)
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16 41 41 +36 27.6 M 13 = NGC 6205
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