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	Welcome to the DR7  site!!!   This website presents data from the Sloan Digital Sky Survey, a project to make a map of a large part of the universe. We would like to show you the beauty of the universe, and share with you our excitement as we build the largest map in the history of the world.	News   The site hosts data from Data Release 7 (DR7). What's new in DR7, what's new on this site, and known problems. More...	For Astronomers   A separate branch of this website for professional astronomers (English)   More...

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	Welcome to the DR7  Catalog Archive Server site providing public access to SDSS data for professional astronomers. The following databases are available BestDR7 [Default] The best version photo (imaging), spectro and tiling data TargDR7 The version of the data from which spectroscopic targets were chosen		News This site contains data from Data Release 7 (DR7). Please see the Site News page, What's New in DR7 page and the Known Problems page for more information.    To run a query on one of the DR7 DBs other than BESTDR7, name the database explicitly in the query: SELECT TOP 100 * FROM TARGDR7..PhotoObj   WHERE r<17 and r-i>2

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