Clear Sky Chart

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Distance Mi	Bear -ing	S p o n s o r e d?	Chart	Preview color key	Light Pollution	Prov/State	Comments/Links
< 15			Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
< 15			La Mesa Urban Observatory			California	A private observatory in Monterey.
< 15			Maple's Observatory			California	A private observatory somewhere around Salinas.
< 15			MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.
17	S		Tularcitos Observatory			California	A site used by the Mira Observers Group
17	SW		Carmel			California
19	W		Cypress Point Club			California	A golf course.
25	S		MIRA Chews Ridge Observatory			California	Observatory of the Monterey Institute for Research in Astronomy.
27	NW		Cabrillo College Observatory			California	Observatory of Cabrillo College.
28	NW		Hidden Valley Observatory			California	A private observatory near Soquel.
30	NW		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
30	SE		Pinnacles Campground			California	Campground at the east entrance of Pinnacles National Park.
30	S		Pfeiffer Big Sur State Park			California	State park in Big Sur.
32	N		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
32	N		Morgan Hill			California
33	NW		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
34	N		Rancho Cañada del Oro			California	An Open Space Preserve of the Santa Clara County Open Space Authority. Used by the San Jose Astronomical Association for public outreach.
35	E		Panoche Pass			California
35	NE		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
36	N		Henry Coe State Park			California	A site used by SJAA and TAC
36	NE		Pacheco State Park			California	A state park used as a dark sky site.
37	NW		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
38	NE		Dinosaur Point			California	A site used by SJAA and TAC
38	NW		Davenport Beach			California	A beach in Davenport.
38	NW		Holmes Observatory			California	A private observatory near Lompico.
39	N		Santa Teresa Spring			California
39	NW		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
43	N		Ross Creek Observatory			California	A private observatory in San Jose.
44	E		D.A.R.C. Observatory			California	A private observatory near Mercy Hot Springs.
44	NW		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
44	S		Limekiln State Park			California	State park near Big Sur. Forcast also covers the lookout tower at Cone Peak.
46	NW		Saratoga			California
47	N		Mount Hamilton			California	Home of the Lick Observatory.
47	N		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
49	N		San Jose			California	Home of the San Jose Astronomical Association.
50	NW		Cupertino			California
51	NW		Greenhawk Observatory			California	A private observatory.
52	N		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
53	NE		Newman Vista Point			California	A lookout on Interstate 5.
54	NW		Montebello			California	Montebello Open Space Preserve is a site used by TAC
55	NW		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
55	NW		Mountain View			California
57	NW		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
58	NW		Pescadero			California
59	NW		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
59	SE		Condon Peak Campground			California	A campground on BLM land.
60	NW		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
62	NW		Menlo Park			California
62	NW		Menlo School			California	A school with an astronomy club. In Atherton
64	N		Fremont			California	The town in Alameda country.
65	N		Del Valle			California	Site details.
68	SE		SkiesAway Remote Observatories			California	A commerical observatory hosting remote telescopes.
69	NW		Ewell Observatory			California
70	SE		Lake San Antonio			California	A site used by SJAA and TAC
71	N		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
71	NW		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
72	N		Tracy Airport			California
72	NE		Turlock			California	A town in Stanislaus county.
72	NW		San Mateo			California
73	NW		Half Moon Bay			California
75	N		Castro Valley			California
76	E		Mendota Wildlife Area			California	A wildlife area a few files north-east of Tranquillity.
76	N		Barking Spider Observatory			California	A private observatory near Castro Valley.
76	NE		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
77	N		DarkSights Observatory			California	A private observatory.
77	N		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
78	NE		Merced			California
80	NW		Pacifica			California
85	N		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
85	N		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
85	N		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
85	SE		Ranchita Canyon Observatory			California	A private observatory Monterey County.
86	NW		Oakland			California
86	NW		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
86	SE		Parkfield			California	A town in Monterey county.
88	N		Brentwood			California	Forecast also covers Byran and Oakley.
88	NE		Green Acres Observatory			California	A private observatory.
88	NW		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
89	NW		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
89	SE		Cuesta College - North County Campus			California	A campus of Cuesta College. Site of star parties held by the Central Coast Astronomical Society.
90	N		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
90	N		Concord Observatory			California	A private observatory in Concord.
90	N		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
91	N		Stockton			California	Home of the Stockton Astronomical Society.
93	E		Lee DaSilva Observatory			California	A private observatory near Madera.
93	N		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
93	N		Diablo Valley College			California	College near Concord.
93	SE		Redman Observatory			California	A private observatory.
96	NW		Point Richmond			California
97	N		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
98	SE		Atascadero			California
99	N		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
100	NE		Eastman Lake Recreation Area			California	Recreation area used by the Central Valley Astronomers.
100	SE		Cerro Alto Campground			California	Campground 8 miles from Morro Bay
101	NE		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
101	NW		Mount Tamalpais State Park			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).
103	E		Hensley Lake			California	Regular observing site of the Central Valley Astronomers.
103	N		Lodi			California
103	N		Rio Vista			California	A town in Solano county.
103	NW		San Rafael			California	A site used by the used by the Marin Observers.
104	E		Fresno			California	Home of the Central Valley Astronomers.
104	NE		Plettstone			California	Home of the Dale Jay Steed Observatory, a private observatory. A site used by members of TAC and the SJAA. Near Mariposa.
105	N		Vallejo Observatory			California	A private observatory site close to Vallejo.
105	SE		Bowen Observatory			California	Observatory of Cuesta College.
107	E		Lemoore			California	A town in Kings county.
108	E		Artis Observatory			California	A private observatory somewhere around Yosemite Lakes.
108	NE		Don Pedro Reservoir			California	Centered on a public scenic outlook at the north end of lake and recreation area.
109	NE		Greeley Hill Observatory			California	A private observatory near Coulterville.
109	NE		Mariposa Fairgrounds			California	Fairgrounds in Mariposa county.
109	SE		Cal Poly Observatory			California	Observatory of California Polytechnic State University. Near San Luis Obispo.
111	NW		North Point Observatory			California	A private observatory.
112	E		Coarsegold			California
113	E		Hanford			California
113	SE		Santa Margarita Lake			California	A site in Santa Margarita Lake Regional Park used by the Central Coast Astronomcal Society.
114	NE		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
116	SE		Navajo Flats			California	A site used by the Central Coast Astronomical Society
117	NE		Ahwahnee Hills Observatory			California	A private observatory located in Ahwahnee.
118	N		Napa			California
118	N		Vacaville			California
119	E		Bayt Observatory			California	A private observatory near Coarsegold.
119	NW		Drakes Bay visitors center			California	Officially the Kenneth C. Patrick Vistor Center. Site of astronomy classes at the Point Reyes National Seashore national park.
120	N		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
120	NE		HOLT Observatory			California	A private observatory.
121	N		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
121	N		Sonoma			California
121	N		Wilton			California
122	N		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
123	SE		Arroyo Grande			California
124	NW		Marshall			California	A town in Marin county by Tomales Bay.
127	E		Sierra Remote Observatories			California	A group of observatories in the Sierra Nevada Mountains of California, dedicated to state-of-the-art robotic/remote imaging and data acquisition.
128	NE		High Sierra Park			California	In the Stanislaus National Forest near Mi-Wuk Village.
128	NW		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
130	E		Yamada Observatory			California	A private observatory in Wonder Valley, east of Fresno.
130	N		Davis			California	A town in Yolo county.
130	NE		Arnold Observatory			California	A private observatory.
131	E		Arthur Purcell Observatory			California	Observatory of the Tulare Astronomical Association.
131	N		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
132	E		Lost Valley Observatory			California	A private observatory between Yosemite and Kings Canyon in the Sierra Nevada Mountains.
133	E		Shaver Lake			California
133	E		Visalia			California	A town in Tulare.
133	N		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
133	NE		Horsetail Fall			California	A seasonal waterfall in Yosemite National Park.
135	N		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
135	NE		Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
136	NE		Glacier Point			California	A site of public star parties. In Yosemite National Park.
136	NW		Santa Rosa			California
136	SE		Santa Maria			California	In Santa Barbara county.
137	NE		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
138	NW		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
139	N		Angwin			California
140	NW		Occidental Observatory			California	Near Occidental.
142	N		Esparto			California	Site used by the Davis Astronomers.
142	N		Sierra Skies Observatory			California	A private observatory.
142	NE		Keeton Observing Site			California	A private observing site also used by some members of the Sacramento Valley Astronomical Society
142	NW		Forestville			California	A town in Sonoma county.
143	NW		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
144	N		Buena Vista Observatory			California	A private observatory.
146	E		Redwood Mountain View			California	A vacation rental.
146	N		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
146	N		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
146	NW		The Bishop's Ranch			California	Retreat and conference center.
148	E		Big Stump			California	An entrance to Sequoia & Kings Canyon national park. Used as a backup observing site of the Central Valley Astronomers.
149	N		Cameron Park Rotary Club Community Observatory			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.
149	NE		Donnell Vista			California	A recreation area in the Stanislaus National Forest.
150	NW		Vista Trail			California	Trail and overlook in Sonoma County.
150	SE		Vandenberg Village			California
151	E		Courtright Reservoir			California	Observing site used by the Central Valley Astronomers
152	E		Porterville			California
152	N		Rancho Del Sol Observatory			California	A private observatory near Camino.
152	NE		Bear Valley			California	A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
152	NE		Peddler Hill			California	A site used by the Stockton Astronomical Society.
153	N		Penryn			California
153	SE		Carrizo Plain National Monument			California	Centered on KCL Campground, this chart covers most of Carrizo Plain National Monument. Near Taft.
154	E		Big Meadow			California	Observing site used by the Tulare Astronomical Association and the Central Valley Astronomers.
154	E		South Fork Observatory			California	A private observatory near Three Rivers.
157	N		Auburn			California	Forecast also covers the Auburn State Recreation Area
157	NE		Shot Rock			California	A spot along the Carson Pass Highway.
158	N		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
158	N		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
161	E		Coma Via Observatory			California	An observatory near Springville.
161	E		Royer Oaks Observatory			California	An observatory with public star parties.
162	E		Springville			California	A town in Tulare county and home of the Tule River Amateur Astronomers
162	NE		Ice House Observation Plateau			California
162	NE		Mammoth Observatory			California	A private observatory near Mammoth Lakes.
162	NW		Lake Sonoma			California	A site used by TAC
162	SE		Figueroa Lookout			California	A picnic area in Los Padres National Forest.
163	N		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
163	SE		Byrne Observatory			California	An observatory that is one of a global network of observatories run by the organization called the Las Cumbres Observatory. Located at the Sedgwick Reserve (BOS) which is owned by the University of California at Santa Barbara (UCSB).
165	NE		Crestview			California	A hill site near Crestview, a few miles north-west of Mammoth Lakes in Inyo National Forest.
167	NE		Conway Summit			California	A dark site 12 miles north of Lee Vinning in Mono County.
169	N		Foresthill			California
169	N		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
172	N		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
172	N		Rock Hill Observatory			California	A private observatory in Grass Valley.
172	N		Taylor Observatory			California	A community Observatory in Kelseyville.
172	NE		Bridgeport Lake Private Observatory			California	A private observatory in Bridgeport Valley.
172	SE		Bakersfield			California	Home of the Kern Astronomical Society.
173	NW		Sea Ranch			California	A private ranch near Gualala.
173	SE		Cachuma Lake Recreation Area			California	Recreation area used by the Santa Barbara Astronomical Unit (SBAU).
175	NE		Lightholder Optics Observatory			California	Observatory of Lightholder Optics.
176	E		Pine Flat Observatory			California	A private observatory near California Hot Springs.
176	N		Penn Valley			California
176	NE		Cottontail Observatory			California	A private observatory somewhere around Walker.
177	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
178	NW		Gualala			California
179	NE		Bodie			California
180	NE		Sierra Stars Observatory			California	A private observatory near Paynesville.

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