Sloan Digital Sky Survey
SkyServer DR12  
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Welcome to the new SkyServer!

NEW: SciServer Compute  (new window) released June 10th! This new tool from the SciServer team lets you run sophisticated analyses on big data using Python or R scripts through Jupyter notebooks.

We are proud to announce that SkyServer now connects to the new SciServer  (new window) science framework! If you have a login through SciServer, you can log in using the control on the top right. Logging in allows you to connect seamlessly with the updated CasJobs and the brand-new SciDrive datafile management tool.

Log in or register on the SciServer Single Sign-on Portal.

These new features come from the first release of the SciServer framework, which we call SciServer Altair. For more information the new features of SciServer Altair, please see our New Features  (new window) section on the SciServer website.

  Welcome to the DR12 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.
The site hosts data from Data Release 12 (DR12). What's new in DR12, what's new on this site and known problems. More...
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