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Sloan Digital Sky Survey



Steward Observatory is a full partner in both SDSS III and the upcoming SDSS IV.


  The local galaxy distribution from SDSS.

For the public
For Public

Public events include our Monday Night Lecture Series, world-reknowned Astronomy Camp and Mt Lemmon Sky Center.

For Students

A good place to start if you want to become an undergrad major or grad student, or need to find our schedule of classes.


For Scientists
For Scientists

Find telescopes and instruments, telescope time applications, staff and mountain contacts, and faculty and staff scientific interests.