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home page, site guide, research tools, news and results, the catalogues, education, visual results, further information, the future, animations.
http://astro.estec.esa.nl/Hipparcos/
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USNO is making the USNO-SA2.0 catalog (54,787,624 stars in all on one CD-ROM) available for free. The full USNO-A2.0 catalog (526,230,881 stars on 10 CD-ROMs) is also available provided you can provide a brief explanation of why USNO-SA2.0 is not sufficient. That's information on over half a billion stars!
http://www.nofs.navy.mil/projects/pmm/catalogs.html
PageRank: Not available
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