The observatory is CLOSED :(((
Please sign up here in advance to reserve your spot.
We will be open Monday, Tuesday, & Thursday at
9:00 PM
* Last updated: 5/12/2026 at 7:43 PM
Time changed on May 4th to be 9:00 PM
Embedded Files
* 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
Page updated
Google Sites
Report abuse