| Name: | Aerospace Astronomy Club |
| Address: | P.O. Box 92957, Los Angeles, CA 90009 USA |
| Contact: | Thomas A. Fuhrman |
| Phone: | |
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| Name: | Andromeda Astronomical Society |
| Address: | P.O.Box 8, Yucca Valley, CA 92286 USA |
| Contact: | Sam Davidson |
| Phone: | 760-228-1977 |
| Email: | samdstar@earthlink.net |
| URL: | |
| Members: | 65 members |
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| Name: | Antelope Valley Astronomy Club |
| Address: | P.O. Box 4595, Lancaster, CA 93539 USA |
| Contact: | |
| Phone: | (805) 727-1060 |
| Email: | info@avastronomyclub.org |
| URL: | |
| Members: | 100 members |
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| Name: | Arcata Society for Amateur Astronomers |
| Address: | 3211 Alice Ave., Arcata, CA 95521 USA |
| Contact: | |
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| Name: | Astronomers of Humboldt |
| Address: | Humboldt State University, Arcata, CA 95521 USA |
| Contact: | Les Clendenning |
| Phone: | 707-826-3276 707-826-4884 |
| Email: | |
| URL: | |
| Members: | |
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| Name: | Astronomical Association of Northern California |
| Address: | 8280 Windwood Way; Elk Grove, CA 98758-1303 |
| Contact: | Walter E. Heiges |
| Phone: | (916) 684-3421 |
| Email: | WEHeiges@aol.com |
| URL: | |
| Members: | 1200+ |
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| Name: | Astronomical Society of the Central Coast |
| Address: | 200 8th St., Marina, CA 93933 USA |
| Contact: | Arthur Babcock |
| Phone: | 408-883-1000 |
| Email: | AEBabcock@aol.com |
| URL: | |
| Members: | 32 members |
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| Name: | Astronomical Society Of the Desert |
| Address: | P.O. Box 71 , Rancho Mirage, CA 92270 USA |
| Contact: | Bruce M Gottlieb |
| Phone: | |
| Email: | webmaster@astrorx.org |
| URL: | |
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| Name: | Astronomical Unit |
| Address: | Santa Barbara Museum of Natural History, 2559 Puesta Del Sol Road, Santa Barbara, CA 93105 USA |
| Contact: | Greg Brinser |
| Phone: | 805-569-9743 |
| Email: | 88eight8@cox.net |
| URL: | |
| Members: | 100 members |
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| Name: | Astronomy Club of the Univ. of California at Davis |
| Address: | Physics Dept., Univ. of California, Davis, CA 95616 USA |
| Contact: | Glen Erickson |
| Phone: | 530-752-1788 |
| Email: | erickson@ucdphy.ucdavis.edu |
| URL: | |
| Members: | 20 members |
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