Astronomers without Borders

Astronomical League

Friends of the Observatory

Griffith Observatory

International Dark Sky Association

Los Angeles Sidewalk Astronomers

Need to build a scope fast? Really fast? Look no futher than these acolytes of John Dobson. Bringing Astronomy to the Man on the Street. See a sidewalk? It's an Observatory. Great people there. They also bring scopes to the public star parties at Griffith.

Mt. Wilson Institute

Mt. Wilson Observatory Association

Old Town Sidewalk Astronomers

Orange County Astronomers

Another big group but a little to the south of us. Really nice facilities. Lots of good talks.

Palomar Observatory

Pomona Valley Amateur Astronomers

Riverside Astronomical Society

A really impressive astronomical society with active members and lots of neat stuff going on. These are the people that run RTMC.

Southern California Desert Video Astronomers

The Local Group

The Planetary Society

Ventura County Astronomical Society

This Society is big into outreach and public education. Nice website. They also have some really nice astroimagers.