Association of Amateur Astronomy Clubs
http://sites.google.com/site/aancsite/home
P.O. Box 15097
San Francisco, CA 94115
415-455-5370
Email contacts
http://www.sfaa-astronomy.org/
Star parties, meetings with speakers
P.O. Box 28243
San Jose, CA 95159-8243
408-559-1221
http://www.sjaa.net/
Star parties, meetings with speakers, classes
P.O. Box 3439
Santa Cruz, CA 95063
http://astro.santa-cruz.ca.us/
Observing nights, astronomy talks
Network of Bay Area Amateur Observers
http://www.observers.org
Star parties, events
The following organizations sponsor public observing and astronomy-related programs. All are located within a 2.5 hour drive from the foot of Mount Hamilton.
10000 Skyline Boulevard
Oakland, CA 94619
510-336-7300
VisitorInfo@chabotspace.org
http://www.chabotspace.org
Night and solar observing, planetarium, exhibits, events, shows, facility rentals
12345 S. El Monte Road
Los Altos Hills, CA, 94022
650-949-7334
http://www.foothill.edu/ast/index.htm
Night and solar observing, classes, events
P.O. Box 1376
San Juan Bautista, CA 95045
831-623-2465
info@fpoa.net
http://www.fpoa.net/
Night and solar observing, presentations
1801 E. Cotati Ave
Rohnert Park, CA 94928
707-664-2267
Monthly public viewing nights
What Physicists Do weekly astronomy lectures
Deanza College
21250 Stevens Creek Boulevard
408-864-8814
hawthornmargarita@deanza.edu
http://www.deanza.edu/planetarium/
Astronomy and laser shows, school field trips, facility rentals
California Academy of Sciences
55 Music Concourse Drive
Golden Gate Park
San Francisco, CA 94118
415-379-8000
info@calacademy.org
http://www.calacademy.org/academy/exhibits/planetarium/
Largest all-digital planetarium in the world: variety of shows, lecture series