The observatory is OPEN!
Please sign up here in advance to reserve your spot.
We will be open Monday, Tuesday, & Thursday at
9:00 PM
* Last updated: 6/4/2026 at 8:36 PM
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* Our open/closed status will be updated ~30 minutes before each session.
Check out Start Here for what to bring and how to find the Observatory
For more info, please contact astro-oa@calpoly.edu
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