Astronomy Clubs in California

CityURL Members
Apple ValleyHigh Desert Astronomical Society50

BakersfieldKern Astronomical Society, Inc.60

BerkeleyAstronomical Association of Northern California

Big BearRTMC Astronomy Expo
Big Bear LakeBig Bear Valley Astronomical Society

ClaremontPomona Valley Amateur Astronomers112

ConcordMount Diablo Astronomical Society170

Costa MesaOrange County Astronomers850+

DavisAstronomy Club of the U C Davis

DavisDavis Astronomy Club

EurekaAstronomers of Humboldt25

FresnoCentral Valley Astronomers, Inc.60

HerculesHercules Stargazers 20

Joshua TreeSouthern California Desert Video Astronomers

KernvilleKern River Valley Astronomy Club

Lake ArrowheadMountain Skies Astronomical Society310

LivermoreTri-Valley Stargazers190

Los AngelesLos Angeles Astronomical Society600+

MarinaMIRA Observers Group

MarinaAstronomical Society of the Central Coast  →
MonroviaOld Town Sidewalk Astronomers
Mountain ViewPeninsula Astronomical Society250

Mt. ShastaMt Shasta Star Gazers

OaklandEastbay Astronomical Society200

Palm DesertAstronomical Society of the Desert

PalmdaleAntelope Valley Astronomy Club, Inc100

Rancho CaliforniaTemecula Valley Astronomers

ReddingShasta Astronomy Club

RiversideRiverside Astronomical Society285

SacramentoSacramento Valley Astronomical Society

San BernardinoSan Bernardino Valley Amateur Astronomers

San DiegoSan Diego Astronomy Association600

San DiegoSchwartz Astronomical Society3

San FranciscoSan Francisco Amateur Astronomers350

San JoseHalls Valley Astronomical Group25

San JoseSan Jose Astronomical Association

San Juan BautistaFremont Peak Observatory Association175

San LeandroGroup 70 -- Large Amateur Telescope Project
San Luis ObispoCentral Coast Astronomical Society90

San MateoSan Mateo County Astronomical Society110

Santa BarbaraSanta Barbara Astronomical Unit90

Santa ClaritaLocal Group Astronomy Club

Santa CruzSanta Cruz Astronomy Club40

Santa MonicaSanta Monica Amateur Astronomy Club

Santa RosaSonoma County Astronomical Society150

Simi ValleyVentura County Astronomical Society

StocktonStockton Astronomical Society140

TehachapiGreater Tehachapi Astronomy Club28

TemeculaStony Ridge Observatory, Inc.25

TorranceSouth Bay Astronomical Society75

Van NuysLos Angeles Valley College Astronomy Group25

Vandenberg AFBVandenberg Amateur Astronomical Society35

VisaliaTulare Astronomical Association120

Walnut creekMount Diablo Observatory Association  →
Yucca ValleyThe Andromeda Society70

AptosCabrillo Astronomy Club -
ArcataArcata Society for Amateur Astronomers  
BishopWhite Mountain Astronomers 
BlytheColorado River Astronomy Club  
BreaGolfing Astronomer Musician's Association  
ChatsworthCelestial Observers  
CypressWestern Observatory Astronomy Society  
Glen EllenValley of the Moon Astronomical Society  
IdyllwildIdyll-Gazers Amateur Astronomy Club  
LakewoodExcelsior Telescope Club  
Lockwood ValleyOne club that requests to be unlisted  
Long BeachLong Beach Astronomical Socity  
Los AngelesThe Astronomy Forum 
Los AngelesClear Nights 
Los GatosThe Astronomy Connection 

MantecaManteca Observer's Group  
MercedM-STAR Astronomy Club 
MercedMerced Society for Telescope & Astronomy Rec 
Mill ValleyMarin Stargazers  
ModestoGreat Valley Astronomy Club  
ModestoStanislaus Amateur Astronomers  
MoorparkOne club that requests to be unlisted  
Oceanside (San Diego)Oceanside Photo & Telescope Astronomical Society  
Palm DesertSun City Palm Desert Astronomy Club  
PasadenaMount Wilson Observatory Assn. 
PasadenaCaltech SEDS  
RidgecrestChina Lake Astronomical Society  
SacramentoSidewalk Astronomers of Sacramento  
San AnselmoTamalpais Astronomical Society  
San DiegoNot When the Surf's Up Amateur Astronomers Group  
San FranciscoSan Francisco Sidewalk Astronomers 
San FranciscoStudents Taking Astronomy-Related Subjects  
San MateoCCFF Astronomy Club  
Sherman OaksSherman Oaks Astronomers Group  
Simi ValleySouthern California Observers  
SomisPolaris Observatory Association Inc. 
South Lake TahoeLake Tahoe Astronomers  
SpringvilleTule River Amateur Astronomers  
TemeculaFirstLight Astronomy Club 

UkiahUkiah Astronomical Society  
WhittierRio Hondo Astronomical Society  


Courtesy of
The Astronomy White Pages