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Why is "Smithsonian Astrophysical Observatory Star Catalog" trending?

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  • Ranking position: #
  • Date: 2026-04-30 21:28:14

This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.

Based on Wikipedia pageviews and search interest, this topic gained significant attention on the selected date.

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Wikipedia Overview

The Smithsonian Astrophysical Observatory Star Catalog is an astrometric star catalogue, created by Smithsonian Institution, a research institute. It was published by the Smithsonian Astrophysical Observatory in 1966 and contains 258,997 stars. The catalogue was
compiled from various previous astrometric catalogues, and contains only 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 of declination, with stars sorted by right ascension within each band.

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