The Andromeda Galaxy and the Local Group.

Follow the signs from the freeway to the campus. The Observatory is located inside the stadium area at the SE corner of the campus (East Cotati Avenue and Petaluma Hill Road, 2 miles east of U.S. 101 at Cotati. For more details and for future viewings check out http://www.phys-astro.sonoma.edu/publicviewingnight.shtml