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Abstract: Driven by the long readout times of today's large format CCDs, we present an efficient method to compute an ideal sequence of exposure times for twilight skyflats. The procedure will allow the observer to maximize the number of flats that can be obtained in the rapidly changing surface brightness of the dusk or dawn sky. Origin: AAS CD-ROM series, Volume 1, 1993
(End) Patricia Bauer [CDS] 06-Jul-1994
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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