Spring 2023 Semester

Join us at one of the viewing nights listed below, these events are open to the public.

• Feb 24  7:30-9:00pm Cancelled
• Mar 10  7:30-9:00pm Cancelled
• Apr 7  9:00-10:30pm Cancelled
• Apr 14  9:00-10:30pm

Cancellations will be posted to this calendar by 4 pm on the day of the viewing

Getting Here

Follow the signs from the freeway to the campus. The Observatory is located inside the stadium area at the southeast corner of the campus (East Cotati Avenue and Petaluma Hill Road, 2 miles east of U.S. 101 at Cotati).

Check the weather and this site before coming if it appears possible that clouds or fog may force cancellation.

Photos from prior observing nights will soon be available here.

Observing Night 2023-04-14 Google Album