Distance Mi |
Bear -ing |
S p o n s o r e d? |
Chart | Preview color key | Light Pollution | Prov/State | Comments/Links |
0 | |
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Foothill Observatory |
![](../c/FthllCllgObCAcs0.gif?1) |
|
California |
Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills. |
3 | NE |
|
Mountain View |
![](../c/MtnVwCAcs0.gif?1) |
|
California |
|
3 | W |
|
Vista Hill |
![](../c/VstHllCAcs0.gif?1) |
|
California |
A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society. |
4 | NW |
|
Stanford Faculty Observatory |
![](../c/StnFcObCAcs0.gif?1) |
|
California |
A private observatory of a faculty member of Stanford University. |
4 | SW |
|
Montebello |
![](../c/Montebello_CAcs0.gif?1) |
|
California |
Montebello Open Space Preserve is a site used by TAC |
5 | NW |
|
Stanford |
![](../c/StanfordCAcs0.gif?1) |
|
California |
Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society. |
6 | E |
|
Greenhawk Observatory |
![](../c/GrnHkObCAcs0.gif?1) |
|
California |
A private observatory. |
6 | SE |
|
Cupertino |
![](../c/CprtnCAcs0.gif?1) |
|
California |
|
7 | NW |
|
Menlo Park |
![](../c/MnPkCAcs0.gif?1) |
|
California |
|
7 | NW |
|
Menlo School |
![](../c/MnSchCAcs0.gif?1) |
|
California |
A school with an astronomy club. In Atherton |
9 | SE |
|
Saratoga |
![](../c/SrtgaCAcs0.gif?1) |
|
California |
|
12 | S |
|
Oak Ridge Observatory |
![](../c/OkrdgObCAcs0.gif?1) |
|
California |
Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains. |
13 | E |
|
San Jose |
![](../c/SanJoseCAcs0.gif?1) |
|
California |
Home of the San Jose Astronomical Association. |
13 | SE |
|
Ross Creek Observatory |
![](../c/RssCrkObCAcs0.gif?1) |
|
California |
A private observatory in San Jose. |
14 | NW |
|
Ewell Observatory |
![](../c/EwellObCAcs0.gif?1) |
|
California |
|
15 | NE |
|
Fremont |
![](../c/FrmntCAcs0.gif?1) |
|
California |
The town in Alameda country. |
16 | SW |
|
Pescadero |
![](../c/PscdrCAcs0.gif?1) |
|
California |
|
17 | NW |
|
CSM Observatory |
![](../c/CSMObCAcs0.gif?1) |
|
California |
Observatory of the astronomy department of College of San Mateo. |
17 | NW |
|
San Mateo |
![](../c/SnMtCAcs0.gif?1) |
|
California |
|
18 | S |
|
Holmes Observatory |
![](../c/HlmsObCAcs0.gif?1) |
|
California |
A private observatory near Lompico. |
18 | SE |
|
Summit View Observatory |
![](../c/SmmttvwOCAcs0.gif?1) |
|
California |
A private observatory in the Santa Cruz Mountains. |
20 | NW |
|
Half Moon Bay |
![](../c/HalfMoonCAcs0.gif?1) |
|
California |
|
20 | S |
|
Bonny Doon Airfield |
![](../c/BoonyDoonCAcs0.gif?1) |
|
California |
A site used by the Santa Cruz Astronomy Club. |
23 | E |
|
Telescope Row |
![](../c/TlscpRwCAcs0.gif?1) |
|
California |
A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties. |
23 | N |
|
Castro Valley |
![](../c/CstrVlyCAcs0.gif?1) |
|
California |
|
25 | E |
|
Santa Teresa Spring |
![](../c/StTrsSpCAcs0.gif?1) |
|
California |
|
25 | N |
|
Barking Spider Observatory |
![](../c/BrSpObCAcs0.gif?1) |
|
California |
A private observatory near Castro Valley. |
25 | S |
|
Baskin Engineering Observatory |
![](../c/BsknEnObCAcs0.gif?1) |
|
California |
An observatory of the University of California, Santa Cruz. |
25 | S |
|
Davenport Beach |
![](../c/DvnprtBchCAcs0.gif?1) |
|
California |
A beach in Davenport. |
25 | SE |
|
Rancho Cañada del Oro |
![](../c/RCDOCAcs0.gif?1) |
|
California |
An Open Space Preserve of the Santa Clara County Open Space Authority. Used by the San Jose Astronomical Association for public outreach. |
26 | NW |
|
Pacifica |
![](../c/PcfcCAcs0.gif?1) |
|
California |
|
27 | E |
|
Mount Hamilton |
![](../c/MtHamCAcs0.gif?1) |
|
California |
Home of the Lick Observatory. |
27 | S |
|
Santa Cruz |
![](../c/SntCrzCAcs0.gif?1) |
|
California |
Home of the Santa Cruz Astronomy Club. |
28 | N |
|
DarkSights Observatory |
![](../c/DrkSgObCAcs0.gif?1) |
|
California |
A private observatory. |
28 | S |
|
Hidden Valley Observatory |
![](../c/HddnVllyObCAcs0.gif?1) |
|
California |
A private observatory near Soquel. |
28 | SE |
|
Cabrillo College Observatory |
![](../c/CbrllClgObCAcs0.gif?1) |
|
California |
Observatory of Cabrillo College. |
29 | N |
|
San Ramon |
![](../c/SnRmnCAcs0.gif?1) |
|
California |
Site of outreach events held by the Eastbay Astronomical Society. |
29 | NE |
|
Del Valle |
![](../c/DelValleCAcs0.gif?1) |
|
California |
Site details. |
29 | SE |
|
BREIT IDEAS Observatory |
![](../c/BrtIdOb2CAcs0.gif?1) |
|
California |
A private observatory outside Morgan Hill. |
30 | NE |
|
Livermore |
![](../c/LvrmrCAcs0.gif?1) |
|
California |
Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton. |
31 | N |
|
Oakland |
![](../c/OkLndCAcs0.gif?1) |
|
California |
|
31 | NW |
|
San Francisco State University Observatory |
![](../c/SFSUObCAcs0.gif?1) |
|
California |
Observatory of SFSU at Thornton Hall. |
31 | SE |
|
Morgan Hill |
![](../c/MorgHCAcs0.gif?1) |
|
California |
|
32 | N |
|
Chabot Space and Science Center |
![](../c/ChbtSPCCAcs0.gif?1) |
|
California |
A science center home to the Eastbay Astronomical Society. In Oakland. |
33 | N |
|
Saint Mary's College Observatory |
![](../c/SMCObCAcs0.gif?1) |
|
California |
AKA Geissberger Observatory. Observatory of Saint Mary's College. |
33 | NW |
|
San Francisco |
![](../c/SanFranCAcs0.gif?1) |
|
California |
Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers. |
34 | E |
|
Henry Coe State Park |
![](../c/HenryCoe_CAcs0.gif?1) |
|
California |
A site used by SJAA and TAC |
34 | NW |
|
Morrison Planetarium |
![](../c/MrrsnPntCAcs0.gif?1) |
|
California |
Planetarium at the California Academy of Sciences. In San Francisco. |
36 | E |
|
Hidden Hill Observatory |
![](../c/HiddenOBCAcs0.gif?1) |
|
California |
Observatory of the Tri-Valley Stargazers |
36 | N |
|
Lawrence Hall of Science |
![](../c/LwrncHSCAcs0.gif?1) |
|
California |
A public and school science center of the University of California at Berkeley. |
36 | SE |
|
Coyote Lake |
![](../c/CytLkCPCAcs0.gif?1) |
|
California |
A county park used by members of the SJAA and TAC.Near Gilroy. |
38 | N |
|
Mount Diablo |
![](../c/MtDiabloCAcs0.gif?1) |
|
California |
Home of the Mt. Diablo Astronomical Society. |
40 | N |
|
CBA Concord Observatory |
![](../c/CBACncrdcs0.gif?1) |
|
California |
A private Observatory. Part of the Center for Backyard Astrophysics. |
41 | N |
|
Concord Observatory |
![](../c/CncrdObcs0.gif?1) |
|
California |
A private observatory in Concord. |
41 | N |
|
Point Richmond |
![](../c/PtRchmdCAcs0.gif?1) |
|
California |
|
42 | N |
|
Diablo Valley College |
![](../c/DblVyCCAcs0.gif?1) |
|
California |
College near Concord. |
44 | N |
|
Hercules Stargazers Alternate Site |
![](../c/HSASCAcs0.gif?1) |
|
California |
An observing site of the Hercules Stargazers in Hanna Ranch Park. |
44 | NE |
|
Tracy Airport |
![](../c/TrcyAprtCAcs0.gif?1) |
|
California |
|
46 | E |
|
Dowdy Ranch Visitor Center |
![](../c/DwdyRnhCAcs0.gif?1) |
|
California |
South-eastern visitors center of Henry Coe State Park. |
46 | N |
|
Foxboro Park |
![](../c/FxbrPrkCAcs0.gif?1) |
|
California |
City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers. |
46 | NE |
|
Brentwood |
![](../c/BrntwdCAcs0.gif?1) |
|
California |
Forecast also covers Byran and Oakley. |
46 | NW |
|
Mount Tamalpais State Park |
![](../c/MtTamaCAcs0.gif?1) |
|
California |
Centered on Rock Springs parking area, of Mount Tamalpais State Park, a site used by the San Francisco Amateur Astronomers. Also site of astronomy programs organized by the Mt. Tamalpais Interpretive Association (MTIA). |
48 | N |
|
DVHS Espace Academy |
![](../c/DVHSCAcs0.gif?1) |
|
California |
ESpace Academy, part of Deer Valley High School In Antioch. |
48 | NW |
|
San Rafael |
![](../c/SanRafaelCAcs0.gif?1) |
|
California |
A site used by the used by the Marin Observers. |
52 | S |
|
MIRA Weaver Student Observatory |
![](../c/WvrStdObCAcs0.gif?1) |
|
California |
Public observatory of the Monterey Institute for Research in Astronomy. |
53 | N |
|
Vallejo Observatory |
![](../c/VallejObCAcs0.gif?1) |
|
California |
A private observatory site close to Vallejo. |
54 | E |
|
Pacheco State Park |
![](../c/PachecoCAcs0.gif?1) |
|
California |
A state park used as a dark sky site. |
54 | SE |
|
Fremont Peak |
![](../c/Fremont_CAcs0.gif?1) |
|
California |
A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park. |
55 | S |
|
Cypress Point Club |
![](../c/CypPtCbCAcs0.gif?1) |
|
California |
A golf course. |
55 | SE |
|
Maple's Observatory |
![](../c/MplsObCAcs0.gif?1) |
|
California |
A private observatory somewhere around Salinas. |
56 | N |
|
North Point Observatory |
![](../c/NrthPtObCAcs0.gif?1) |
|
California |
A private observatory. |
56 | S |
|
La Mesa Urban Observatory |
![](../c/LMsUrObCAcs0.gif?1) |
|
California |
A private observatory in Monterey. |
57 | E |
|
Dinosaur Point |
![](../c/Dino_CAcs0.gif?1) |
|
California |
A site used by SJAA and TAC |
57 | E |
|
Newman Vista Point |
![](../c/NwnVstCAcs0.gif?1) |
|
California |
A lookout on Interstate 5. |
57 | S |
|
Carmel |
![](../c/CrmlCAcs0.gif?1) |
|
California |
|
60 | NE |
|
Rio Vista |
![](../c/RVstCAcs0.gif?1) |
|
California |
A town in Solano county. |
62 | NE |
|
Stockton |
![](../c/StcktnCAcs0.gif?1) |
|
California |
Home of the Stockton Astronomical Society. |
65 | E |
|
Modesto |
![](../c/MdstoCAcs0.gif?1) |
|
California |
Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College. |
65 | N |
|
Napa |
![](../c/NapaCAcs0.gif?1) |
|
California |
|
65 | NW |
|
Drakes Bay visitors center |
![](../c/DrksByCAcs0.gif?1) |
|
California |
Officially the Kenneth C. Patrick Vistor Center. Site of astronomy classes at the Point Reyes National Seashore national park. |
66 | N |
|
Sonoma |
![](../c/SmnCAcs0.gif?1) |
|
California |
|
69 | N |
|
Vacaville |
![](../c/VcvllCAcs0.gif?1) |
|
California |
|
69 | NW |
|
Marshall |
![](../c/MrshllCAcs0.gif?1) |
|
California |
A town in Marin county by Tomales Bay. |
70 | S |
|
Tularcitos Observatory |
![](../c/TulaOBCAcs0.gif?1) |
|
California |
A site used by the Mira Observers Group |
71 | E |
|
Turlock |
![](../c/TrlckCAcs0.gif?1) |
|
California |
A town in Stanislaus county. |
71 | N |
|
Blue Ridge |
![](../c/BlRdgVcCAcs0.gif?1) |
|
California |
The general area of Blue Ridge, in the Vaca Mountains. |
71 | NE |
|
Lodi |
![](../c/LdCAcs0.gif?1) |
|
California |
|
73 | NE |
|
Green Acres Observatory |
![](../c/GrnAcObCAcs0.gif?1) |
|
California |
A private observatory. |
73 | NW |
|
Sonoma State University Observatory |
![](../c/SonomaStCAcs0.gif?1) |
|
California |
observatory in Sonoma State University. Near Rohnert Park and Cotati |
77 | N |
|
Robert Ferguson Observatory |
![](../c/RobFerObCAcs0.gif?1) |
|
California |
Observatory in Sugar Loaf Ridge State Park near Kenwood. |
79 | S |
|
Pfeiffer Big Sur State Park |
![](../c/PfrBgSrSPCAcs0.gif?1) |
|
California |
State park in Big Sur. |
79 | SE |
|
MIRA Chews Ridge Observatory |
![](../c/ChewsCAcs0.gif?1) |
|
California |
Observatory of the Monterey Institute for Research in Astronomy. |
80 | SE |
|
Panoche Pass |
![](../c/PnchPsscs0.gif?1) |
|
California |
|
81 | NW |
|
Santa Rosa |
![](../c/SntRsCAcs0.gif?1) |
|
California |
|
81 | SE |
|
Pinnacles Campground |
![](../c/PnncCmpCAcs0.gif?1) |
|
California |
Campground at the east entrance of Pinnacles National Park. |
83 | NE |
|
Elk Grove |
![](../c/ElkGrvCAcs0.gif?1) |
|
California |
Used for public star parties by the Sacramento Valley Astronomical Association (SVAS). |
83 | NW |
|
SPARQ Observatory |
![](../c/SPARQObCAcs0.gif?1) |
|
California |
Observatory of SPARQ at Piner High School. In Santa Rosa. |
83 | SE |
|
D.A.R.C. Observatory |
![](../c/DARCObCAcs0.gif?1) |
|
California |
A private observatory near Mercy Hot Springs. |
84 | N |
|
Davis |
![](../c/DvsCAcs0.gif?1) |
|
California |
A town in Yolo county. |
85 | NE |
|
Wilton |
![](../c/WiltonCAcs0.gif?1) |
|
California |
|
85 | NW |
|
Occidental Observatory |
![](../c/OccdntlObCAcs0.gif?1) |
|
California |
Near Occidental. |
86 | N |
|
Angwin |
![](../c/AngwnCAcs0.gif?1) |
|
California |
|
86 | NE |
|
Telegraph City |
![](../c/TlgphCtyCAcs0.gif?1) |
|
California |
A site used by some members of the Stockton Astronomical Society. |
87 | NW |
|
Forestville |
![](../c/FrstVlCAcs0.gif?1) |
|
California |
A town in Sonoma county. |
88 | N |
|
Hume Observatory |
![](../c/HmObCAcs0.gif?1) |
|
California |
Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network. |
91 | E |
|
Merced |
![](../c/MrcdCAcs0.gif?1) |
|
California |
|
91 | N |
|
Sacramento |
![](../c/ScrmntoCAcs0.gif?1) |
|
California |
Home of the Sacrameto Valley Astronomical Association. |
91 | NW |
|
The Bishop's Ranch |
![](../c/TBshpRhCAcs0.gif?1) |
|
California |
Retreat and conference center. |
92 | N |
|
Esparto |
![](../c/EspartoCAcs0.gif?1) |
|
California |
Site used by the Davis Astronomers. |
94 | N |
|
Putah Creek Observatory |
![](../c/PthCrkObCAcs0.gif?1) |
|
California |
Future site of a private observatory in Pope Valley. |
94 | NE |
|
Pardee Reservoir Recreation Area |
![](../c/PrdRACAcs0.gif?1) |
|
California |
Recreation area used as an observing site by the Stockton Astronomical Society. |
95 | NW |
|
Vista Trail |
![](../c/VstTrCAcs0.gif?1) |
|
California |
Trail and overlook in Sonoma County. |
98 | S |
|
Limekiln State Park |
![](../c/LmKlnPCAcs0.gif?1) |
|
California |
State park near Big Sur. Forcast also covers the lookout tower at Cone Peak. |
99 | NE |
|
Rancho Cordova |
![](../c/RncCrdCAcs0.gif?1) |
|
California |
A private site of the Sacramento Valley Active Astronomers Research Group. |
100 | NE |
|
AngelKillarney s City |
![](../c/AnglsCAcs0.gif?1) |
|
California |
AKA Angels Camp. A town in Calaveras county. |
103 | E |
|
Don Pedro Reservoir |
![](../c/DnPdrCAcs0.gif?1) |
|
California |
Centered on a public scenic outlook at the north end of lake and recreation area. |
106 | NW |
|
Lake Sonoma |
![](../c/SonomaCAcs0.gif?1) |
|
California |
A site used by TAC |
107 | N |
|
Ghost Pine Observatory |
![](../c/GhstPnObCAcs0.gif?1) |
|
California |
A private observatory in the Upper Capay Valley. |
107 | NE |
|
Sierra Skies Observatory |
![](../c/SrSkObCAcs0.gif?1) |
|
California |
A private observatory. |
109 | SE |
|
Condon Peak Campground |
![](../c/CrdnPkCAcs0.gif?1) |
|
California |
A campground on BLM land. |
110 | E |
|
Greeley Hill Observatory |
![](../c/GrlyHllObCAcs0.gif?1) |
|
California |
A private observatory near Coulterville. |
110 | NE |
|
Folsom Lake State Recration Area |
![](../c/FlsmLkCAcs0.gif?1) |
|
California |
State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom. |
111 | E |
|
Plettstone |
![](../c/PlttsnCAcs0.gif?1) |
|
California |
Home of the Dale Jay Steed Observatory, a private observatory. A site used by members of TAC and the SJAA. Near Mariposa. |
111 | NE |
|
Buena Vista Observatory |
![](../c/BnVs1ObCAcs0.gif?1) |
|
California |
A private observatory. |
112 | NE |
|
Fiddletown |
![](../c/FiddletownCAcs0.gif?1) |
|
California |
A site about 6 miles east of Fiddletown proper. |
113 | SE |
|
Mendota Wildlife Area |
![](../c/MndtWLCAcs0.gif?1) |
|
California |
A wildlife area a few files north-east of Tranquillity. |
115 | NE |
|
Arnold Observatory |
![](../c/AndObCAcs0.gif?1) |
|
California |
A private observatory. |
115 | NE |
|
Penryn |
![](../c/PenrynCAcs0.gif?1) |
|
California |
|
116 | N |
|
Tisdale Boat Launch |
![](../c/TdsBCAcs0.gif?1) |
|
California |
A public boat launch, though there is a fee. |
116 | N |
|
Waltz Road |
![](../c/WltzrdCAcs0.gif?1) |
|
California |
A a spot along Waltz road. Near Wheatland. |
116 | NE |
|
Heaven's Plateau |
![](../c/HvnPtlCAcs0.gif?1) |
|
California |
Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville. |
117 | N |
|
Clear Lake |
![](../c/ClrLkeCAcs0.gif?1) |
|
California |
Covers the Clear Lake area inclunding Boggs Mountain State Forest. |
117 | N |
|
Taylor Observatory |
![](../c/TylrObCAcs0.gif?1) |
|
California |
A community Observatory in Kelseyville. |
117 | NE |
|
Cameron Park Rotary Club Community Observatory |
![](../c/CPRCCOCAcs0.gif?1) |
|
California |
A community observatory built and operated by the Rotary Club of Cameron Park, the El Dorado County Office of Education, and Folsom Lake College. In El Dorado County. |
118 | NW |
|
Sea Ranch |
![](../c/SeaRnhCAcs0.gif?1) |
|
California |
A private ranch near Gualala. |
119 | E |
|
Eastman Lake Recreation Area |
![](../c/EstmLkCAcs0.gif?1) |
|
California |
Recreation area used by the Central Valley Astronomers. |
119 | E |
|
Lee DaSilva Observatory |
![](../c/LDSlvObCAcs0.gif?1) |
|
California |
A private observatory near Madera. |
119 | NE |
|
High Sierra Park |
![](../c/HghSrrPkCAcs0.gif?1) |
|
California |
In the Stanislaus National Forest near Mi-Wuk Village. |
119 | NE |
|
Keeton Observing Site |
![](../c/KtnStCAcs0.gif?1) |
|
California |
A private observing site also used by some members of the Sacramento Valley Astronomical Society |