| Smithsonian Astrophysical Observatory Star Catalog |
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Information AboutSmithsonian Astrophysical Observatory Star Catalog |
| CATEGORIES ABOUT SMITHSONIAN ASTROPHYSICAL OBSERVATORY STAR CATALOG | |
| astronomical catalogues of stars | |
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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 EXTERNAL LINKS |
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