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  Welcome to DR2!!!
 
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 now contains data from the SDSS Data Release 2 (DR2).
What's new in DR2 and
known problems.
More...
For Astronomers
 
A separate branch of this website for professional astronomers (English)
 
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Privacy Policy
SkyServer weblogs are public and can be queried. The statistics is here.
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  Welcome to the DR2 Catalog Archive Server with restricted access for the SDSS Collaboration only.

The following databases are available
BESTDR2Default, the best Photo, Spectro and Tiling data
TARGDR2Photo, frozen at time of target selection
BESTDR1The Best data version for the previous release.
StetsonSDSS matches to Stetson dataset.
RC3SDSS matches to RC3 catalog.
  News
The menus below now have mouse-over tool tips. This site contains data from Data Release 2 (DR2). Please see the What's New in DR2 page and the Known Problems page for more information.

  
To run a query on one of the DR2 DBs other than
BESTDR2, name the database explicitly in the query:
SELECT TOP 100 * FROM TARGDR2..PhotoObj  
WHERE r<17 and r-i>2
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Privacy Policy
SkyServer weblogs are public and can be queried. The statistics is here.
More...
Privacy Policy
SkyServer weblogs are public and can be queried. The statistics is here.
More...

Privacy Policy
SkyServer weblogs are public and can be queried. The statistics is here.
More...

This is an image of the week showing galaxy NGC xxxx, famous for ...
Image of the week