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Public Evening Lecture Series



Since September 1922, Steward Observatory has been hosting public evening lectures in astronomy. The lectures begin at 7:30 p.m. MST and will be held in Steward Observatory ( 933 N Cherry) Room N210 on the University of Arizona campus.  The Raymond E. White, Jr. Telescope in the historic Steward Observatory Dome will be open for public viewing after the conclusion of the lecture, weather permitting!

All of the lectures and the use of the telescope are free of charge and open to the general public.

For more information, contact Dr. Thomas Fleming at 621-5049 or

Sign up for our monthly Astronomy Newsletter for more information about our lectures and other events taking place at


Click here to stream podcasts of previous Public Evening Lectures.


Fall 2022 Lectures TBA


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.