Clear Sky Chart

Charts within 180mi of the El Cajon clear sky chart

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Prov/StateComments/Links
0 El Cajon
 
California  
4SW La Mesa
 
California   A town in San Diego county.
5NW Mission Trails Regional Park
 
California   Centered on Kumeyaay Campground in Mission Trails Regional Park. Site of public star parties held by the San Diego Astronomy Association.
11NW Scripps Ranch Observatory
 
California   A private observatory.
11S Chula Vista Observatory
 
California   A private observatory.
12E Alpine
 
California  
12W Reuben H. Fleet Science Center
 
California   Science center at Balboa Park. Site of Stars in the Park public star parties held by the San Diego Astronomy Association. in San Diego.
13N Poinsettia Observatory
 
California   A private observatory in Poway.
13SW San Diego
 
California   Home of the San Diego Astronomy Association.
14N Hawks Landing Observatory
 
California   A private observatory
15N Ramona Observatory
 
California   A private observatory near Ramona.
15NW Pageant Avenue Observatory
 
California   A private observatory.
16NW Sorrento Mesa Observatory
 
California   A private observatory.
17W Mt. Soledad National Veterans Memorial
 
California   Memorial park.
17W University of Califoria San Diego
 
California   UCSD is actually located in La Jolla.
18NE Tassi Observatory
 
California   A private observatory near Ramona.
18NE SkyStar Observatory
 
California   A private observatory in San Diego Country Estates.
18NW Santaluz Observatory
 
California   Observatory in Santaluz Club.
19S Tijuana
 
Baja California   Hogar de la Sociedad Astronómica de Baja California.
20E Lockwood Observatory
 
California   A private observatory.
20NW Rancho del Rio Observatory
 
California   A private observatory
21N San Pasqual Battlefield State Historic Park
 
California   State park and site of of monthly star parties.
21NW Del Mar
 
California  
22NW Sonrisa Observatory
 
California   A private observatory near Escondido.
23NE Selkovitch's Observatory
 
California  
25E Pine Valley Creek trailhead
 
California   Trail in the Cleveland National Forest in California.
26N Rock Springs Observatory
 
California   A private observatory.
29NE Curiosity Peak Observatory
 
California   A private observatory.
29NE Galaxy Gazers Observatory
 
California   A private observatory near Julian.
31E Mount Laguna Observatory
 
California   Observatory of San Diego State University (SDSU).
31N Boulder Knolls Observatory
 
California   A private observatory, with Minor Planet Center code G74.
32N Far Away Observatory
 
California   A private observatory in Valley Center.
33N Mais Observatory
 
California   A private spectroscopic observatory in Valley Center.
33NW Vista
 
California  
35N Pauma Valley
 
California   Site of The Kathryn Hood Observatory.
36NE LaBelle Observatory
 
California   A private observatory.
37NE Little Blair Valley
 
California  
37NW Oceanside
 
California   Centered on Oceanside City Beach.
39E Tierra del Sol
 
California   Site used by San Diego Astronomy Association (SDAA)
39N Palomar Observatory
 
California   Observatory, with outreach center of Caltech. Home of the 200 inch Hale Telescope
40SE Observatorio las Acacias
 
Baja California   Un sitio privado.
45NE Erickson Observatory Site
 
California   Future site of Erickson Observatory (private). In Warner Springs.
46NE SkyScapes Observatory
 
California   A private observatory in Borrego Springs.
47N Rock Mountain Observatory
 
California   A private observatory near Fallbrook.
47NE Borrego Springs
 
California   Home to the Nightfall star party, held by the Riverside Astronomical Society (RAS) at the Palm Canyon Resort.
49N Temecula
 
California   Home of the The Temecula Valley Astronomers.
50N OCA Anza Observatory
 
California   Observatory of the Orange County Astronomers near Anza.
51N Lake Riverside Estates
 
California   A private community in Aguanga.
52S Valle de Guadalupe
 
Baja California   Sitio de observación astronómica en Rancho Capuleto.
53NW San Onofre State Beach
 
California   State beach just south fo San Clamente.
55N WeBeWebbiers Observatory
 
California   A private observatory somewhere around Temecula.
57N Spencers Crossing
 
California   A neighborhood in Winchester, CA
58NW San Clemente
 
California  
59NE Santa Rosa Mountain
 
California   Centered on the trail to the summit. Also close to Santa Rosa Campground.
61NW Caspers Wilderness Park
 
California   Campground and site of an International Starry Night starparty to observe the 2013 Perseids.
62NE Sawmill Trailhead
 
California   A site used by the Astronomical Society of the Desert. Near Pinyon Flats
64N Lake Elsinore
 
California  
64NW El Cariso
 
California   A peak in the Santa Ana mountains at the end of Upper Carisio Rd.
66NW Laguna Niguel
 
California   Forecast also covers San Juan Capistrano.
67N Idyllwild
 
California  
68S Ensenada
 
Baja California  
70NW Laguna Beach
 
California  
70NW Melinda Heights Observatory
 
California   A private observatory.
70SE Cañón del Tajo
 
Baja California   Sitio de observación astronónica.
73NE Rancho Mirage Library and Observatory
 
California   AKA The City of Rancho Mirage Public Library and Observatory.
77NW OCA Silverado
 
California   A site of the Orange County Astronomers near Irvine.
78N Banning
 
California  
78NE Thousand Palms
 
California   Star Party Site for the Astronomical Society of the Desert.
79NE Rustic Valley Observator
 
California   A private observatory.
79NE Salton Sea State Recreation Area
 
California   State park used by some members of the Pomona Valley Amateur Astronomers
80N Moreno Valley
 
California  
80NW Fountain Valley
 
California   Near Santa Ana.
81E El Centro
 
California  
82NW Corona
 
California  
83NW Irvine Regional Park
 
California   A park in Orange county.
84N Desert Hot Springs
 
California   A town in Riverside county and site of star parties at the Two Bunch Palms Resort & Spa.
84N Whitewater Preserve
 
California   Preserve of the The Wildlands Conservancy and site of public star parties. In Whitewater Canyon.
85NW Huntington Beach
 
California  
86N Oak Glen Preserve
 
California   Wildlife preserve of The Wildlands Conservancy used by the San Bernardino Valley Amateur Astronomers.
86SE Pino Colorado
 
Baja California   Sitio de observación astronómica.
89N Big Falls Campground
 
California   A campground near Forest Falls.
89N San Bernardino County Museum
 
California   Museum and meeting place, with public astronomy of the San Bernardino Valley Amateur Astronomers. In Redlands.
90NW Anaheim
 
California  
92NW OCA Go-To Group
 
California   A private observing site in Placentia, used by some members of the Orange County Astronomers.
93N Angelus Oaks Heliport
 
California  
93NE Cottonwood Spring Campground
 
California   A campground at Joshua Tree National Park.
93NW Fullerton
 
California  
93W San Clemente Island (North)
 
California   Chart covers the north half of San Clamente Island.
96N Yucca Valley
 
California   Home of the Andromeda Society.
97NE Jumbo Rocks
 
California   A campground in Joshua Tree National Park.
98N Daniel B. Milliken Planetarium
 
California   Planetarium at Chaffey College in Rancho Cucamonga.
98N Murillo Family Observatory
 
California   Observatory of the California State University, San Bernardino.
98N Pioneertown Mountains Preserve
 
California   Wildlife preserve used by the San Bernardino Valley Amateur Astronomers.
98NW Long Beach
 
California  
100N Copper Mountain Observatory
 
California   Near the town of Joshua Tree which is near the north east corner of Joshua Tree National Park.
100N Robert Brownlee Observatory
 
California   An observatory of the Mountain Skies Astronomical Society. At MSAS Astronomy Village near Lake Arrowhead.
100NW Mt. SAC Observatory
 
California   Observatory of Mount San Antonio College. In Walnut.
102N Big Bear Solar Observatory
 
California   Aka BBSO. Solar Observatory operated by the New Jersey Institute of Technology. On Big Bear Lake.
102N Cedar Glen Observatory
 
California   (A private observatory near Cedar Glen.
102NW Webb Schools Observatory
 
California   A observatory of The Webb Schools.
103N Big Bear City
 
California   In the San Bernardino Mountains
104NE The Sky's The Limit Observatory and Nature Center
 
California   Observatory and nature center in Twentynine Palms.
105N Silverwood Lake
 
California   Actually near the south-east shore of the lake. Forecast also covers the Silverwood lake State Recreation Area.
106NE Joshua Tree Astronomy Arts Theater
 
California   Used by the Southern California Desert Video Astronomers. Located at Joshua Tree Lake RV & Campground.
107N Cow Canyon Saddle
 
California   A spot in Cow Canyon, near Mt. Baldy, used as an observing and star party location by the Pomona Valley Amateur Astronomers.
107NW Carlos Lemmi Observatory
 
California   A private observatory near Rancho Palos Verdes. MPC G71.
107NW Maury Lewin Astronomical Observatory
 
California   A private observatory in Glendora.
107NW Torrance
 
California  
109N Goat Mountain Astronomical Research Station
 
California   aka GMARS. MPC observatory G79.
109N Landers
 
California   Dark-sky site for the Riverside Astronomical Society.
109N Star Camp Observatory
 
California   A private observatory.
109NE Twentynine Palms Airport
 
California   An airport near Twentynine Palms.
109NW Garvey Ranch Observatory
 
California   Observatory in Garvey Ranch Park in the city of Monterey Park.") Operated by the Los Angeles Astronomical Society.
110NE Desert Center
 
California   A spot on Hwy 177 North of Interstate 10. On the west side of Palen Pass.
111NW Monrovia
 
California   Centered on Library Park, this chart marks the site of public observing held by the Old Town Sidewalk Astronomers.
111NW Redondo Beach
 
California   In the general area of the South Bay Astronomical Society. Forecast also covers Manhattan Beach.
112N Oak Hills Observatory
 
California   A private observatory in Hesperia.
114N Lucerne Valley
 
California   Used by the San Bernardino Valley Amateur Astronomers. In San Bernardino county.
114NW California Institute of Technology
 
California   Research and education institution with astronomy outreach events.
114NW Los Angeles
 
California   Home of the Los Angeles Astronomical Society and the Los Angeles Sidewalk Astronomers.
115N Johnson Valley
 
California   A town in San Bernardino county.
115NW El Segundo
 
California  
116NW Old Town Pasadena
 
California   Centered Colorado Blvd, somewhere between Fair Oaks and Pasadena Ave, this charts marks the site of public observing held by the Old Town Sidewalk Astronomers.
117N Table Mountain Observatory
 
California   Observatory at Table Mountain Facility which is operated by JPL. Near Wrightwood.
117NW Mount Wilson Observatory
 
California   link
119N Luz Observatory
 
California   Observatory in the Lewis Center for Educational Research. Base of the HiDAS. In Apple Valley.
119NW Griffith Observatory
 
California   A professional observatory with public star parties
119NW Mar Vista
 
California  
120N Pinon Hills
 
California   Near Wrightwood in the San Gabriel Mountains.
120NE Clarks Pass
 
California   A a spot along highway 62.
120NW Stony Ridge Observatory
 
California   An observatory in the Angeles National Forest
121N Phelan
 
California  
123N Camp Rock Road
 
California   10 miles north east of Lucerne Valley.
123NW Devil's Punchbowl Trailhead
 
California   A Los Angeles County Park in Devil's Punchbowl Natural Area. Near Pearblossom.
124NW Santa Monica Canyon Observatory
 
California   A private observatory.
127NW Santa Monica Mountains Observatory
 
California   A private observatory near Los Angeles.
128NW Bright Skies Observatory
 
California   A private observatory to promote the science and technology of CCD based astro-photography in light polluted areas.
128NW Tujunga Observatory
 
California   A private observatory in Tujunga.
130NW Automata Internet Observatory
 
California   In Pearblossom.
130NW Topanga
 
California  
134NW Woodland Hills
 
California  
135NW Pinhead Observatory
 
California   A private observatory in Acton.
136E Gopherville Observatory
 
Arizona   A private observatory near Sumerton.
136E Yuma
 
Arizona  
136NW Granada Hills
 
California  
136NW Grasswood Observatory
 
California   A private observatory near Malibu.
139N Saddleback Butte
 
California   A State Park used as a star party site by The Antelope Valley Astronomy Club.
139NE Amboy Crater
 
California   Centered on the parking lot of Amboy Crater, a public nature site near the town of Amboy.
140NW Vasquez Rocks
 
California   A Natural Area Park used as a star party site by The Local Group.
142NW Oak Canyon Park
 
California   A park in town of Oak Park.
142NW Santa Clarita
 
California  
143N Knight Sight
 
California   A private site in Helendale
144E Beta Scorpii Observation Site
 
Arizona   A private observatory.
145NW Sandstone Trailhead
 
California   Head of the Standstone Peak Trail. Used by members of the Los Angeles Sidewalk Astronomers among others.
146NW Simi Valley
 
California   Home of the Ventura County Astronomical Society.
148NE Blythe
 
California   Home of the Colorado River Astronomy Club.
148NW Lancaster
 
California  
148NW Rolling Roof Observatory
 
California   A private observatory near Thousand Oaks.
148NW Two Goats Observatory
 
California   A private site affiliated with the Antelope Valley Astronomy Club.
149NW Eagle Ridge Observatory
 
California   A private observatory near Newbury Park.
150NE Trilobite Wilderness
 
California   A Wilderness Area of geological interest. It's also a dark observing spot.
150SE San Pedro Martir Observatory
 
Baja California   AKA Observatorio Astronómico Nacional. Observatory of National University of Mexico. In San Pedro Martir National Park
151NW Lagoon Observatory
 
California   A private observatory.
154N Owl Canyon Campground
 
California   Near Barstow.
156NE GMDRC
 
California   The Granite Mountain Desert Research Center. Lands are not open to the general public. Visitors must make reservations.
158N EAFB
 
California   Edwards Air Force Base is an alternate shuttle landing site. Also home of the Dryden Flight Research Center.
158NW Templin Hwy
 
California   A dirt parking lot at Templin Highway and Ridge Route. Used by members of the Los Angeles Sidewalk Astronomers among others.
160NW Dreamweaver Observatory
 
California   A private observatory near Fillmore.
160NW Rosamond Skypark
 
California   A private residential skypark in Rosamond.
161NW Santa Paula
 
California  
162NW AVAC Kings Canyon Site
 
California   Observing site of The Antelope Valley Astronomy Club.
164N Afton Canyon Campground
 
California   campground near Interstate 15 along the Mojave River between Barstow and Baker.
167NW Area 52 Observatory
 
California   A private observatory near Ventura.
169E Quartzsite
 
Arizona  
171N California City
 
California  
174NW Ojai
 
California  
175E Tacna Observing Station
 
Arizona   Remote site for International Occultation Timing Association (IOTA).
175NW Rose Valley Campground
 
California   A campground in Los Padres National Forest.
177N Cuddeback Lake
 
California   A dry lake.
179NE Hole-in-the-Wall Campground
 
California   Campground in the Mojave desert.


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