Smithsonian Astrophysical Observatory Star Catalog Article Index for
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Smithsonian Astrophysical Observatory Star Catalog




258,996 stars.

The Smithsonian Astrophysical Observatory Star Catalogue was compiled from various previous Astrometric catalogues, and contains only the stars to about ninth magnitude for which accurate proper motions were known.

Names in the SAO catalogue start with the letters SAO, followed by a number. The numbers are assigned following 18 ten-degree bands in the sky, with stars sorted by Right Ascension within each band.


EXAMPLES FROM SAO CATALOGUE


SAO 67174 is Vega

SAO 113271 is Betelgeuse

SAO 40012 is HD 277559



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