The observatory is OPEN.
We will be open Mondays, Tuesdays, and Wednesdays at 7:30 PM
*Last updated: 10/28/2025 at 7:00 PM
*Last updated: 10/28/2025 at 7:00 PM
Our open/closed status will be officially posted ~30 minutes before each session.
Please sign up in advance to reserve your spot.
Time change starts November 3rd (Monday, 11/3/25), new time: 6:30 PM
For more, please contact astro-oa@calpoly.edu