List of California Astronomy Clubs & Groups
Southern California
- Los Angeles Sidewalk Astronomers
- Mountain Skies Astronomical Society
- Orange County Astronomers
- Polaris Observatory Association
- Riverside Astronomical Society
- Santa Monica Amateur Astronomy Club
- San Diego Astronomy Association
Central & Northern California
- Astronomy Club UC Davis
- East Bay San Francisco
- East Bay Astronomical Society
- Fremont Peak Observatory Association
- Mount Diablo Astronomical Society
- San Jose Astronomical Association
- Santa Cruz Astronomy Club
