Robert Ferguson Observatory For a list of events and public viewing, go to www.rfo.org. 2605 Adobe Canyon Road, in Sugarloaf State Park, Kenwood. 707.833.6979.
Sonoma State University Observatory For a list of events and public viewings, go to www.phys-astro.sonoma.edu-observatory. Department of Physics and Astronomy, 1801 E. Cotati Ave., Rohnert Park. 707.664.2267.
Mt. Tamalpais Saturday-evening moonlight hikes depart from Pantoll Ranger Station approximately 15 minutes after sunset. May 9 at 7pm, June 6 at 8:30pm, July 4 at 8:30pm, Aug. 1 at 8pm, Sept. 5 at 7:30pm and Oct. 3 at 6:30pm. 415.258.2410.