The Observatory is open to the public daily (except December 24 and 25) for daytime visits. The observatory is more than 20 miles from downtown San Jose along Mt. Located fifty miles east of downtown San Diego and about fifty miles south of the Mount Palomar Observatory (also located in the Cleveland National Forest), and at an altitude of 6100 feet, the Mount Laguna Observatory tour starts here at the parking lot and the Star Party Trailhead. Standard UBVRI, Stromgren and DDO filter sets are used with each instrument. Observatory support staff includes a resident astronomer, an engineer, and the observatory superintendent. Located fifty miles East of San Diego, at an altitude of over 6100 ft. (1859 meters), nestled in the remoteness and isolation of the Cleveland National Forest, Mount Laguna Observatory is where astronomers from San Diego State University conduct research into the nature of the universe. Map showing recreational areas. Map Information, Interactive Visitor Map: Cleveland National Forest, Cleveland National Forest From the Laguna Mountain Campground and Trailhead, a 2.5 mile out and back hike will reward hikers, mountain bikers, and equestrians with a view of a series of waterfalls flowing from Laguna Creek. on the eastern edge of the Cleveland National Forest at an altitude of Laguna has special events scheduled year-round. Laguna Mountain Visitor InformationCenter & Trailhead, Descanso Ranger District - (619) 445-6235. Mt Laguna Observatory(MLO) is situated nearby to Mount Laguna. Only a few high-quality astronomical research sites exist in the United States. This siteis well protected from the urban lighting of the San Diego metropolitan area. The campground sits at an elevation of 6,000 ft. in the Laguna Mountains. Lick Observatory, established in 1888, is a part of the, The Lick Observatory Eclipse Expeditions General Relativity and the Bending of Starlight. It was built by the SDSU Department of Astronomy and used at the main campus from 1961 to 1966. Employment opportunities for astronomers with advanced degrees include positions at colleges and universities, national observatories and government laboratories, planetariums, and in industry and private companies. Amanda Bayless ('06), Research Scientist at The Aerospace Corporation, "The Astronomy Department gave me a great foundation to continue with my graduate studies, earn a Ph.D. and go on to an astronomy career. Visitors| Laguna Mountain Recreation Area: This area encompasses over 6,000 acres of forested mountains, meadows, and streams. CRS: 800-735-2922, https://www.fs.usda.gov/recarea/cleveland/recreation/recarea/?recid=47478. 78% is still high in comparison to most other locations. Constructed in the 1930's and '40s, the California Institute of Technology observatory houses five world-class telescopes, and is open daily to the public. . Color large image for: N - E - S - W-- PTZ N PTZ S. Color differential image for: N - E - S - W-- PTZ N - PTZ S. For information about the MLO Summer Visitors Program, please call 619-594-1415. SDSU Astronomers have discovered a third planet in the Kepler-47 system, securing the systems title as the most interesting of the binary-star worlds. open clusters and planetary nebulae are quite observable in below average . Mount Laguna Observatory Summer Star Parties: Every Friday and Saturday during the summer at the Mt. Hamilton or anywhere along the road outside of San Jose. . Mount Laguna Observatory is an astronomical observatory owned and operated by San Diego State University. Continue to the Harrington Visitors' Center, Back to SDSU Astronomy Dept. Mount Laguna Observatory . In addition to the faculty at San Diego State University and the University of Illinois, graduate students use the 40" for observations leading to their thesis. Gifts| Please do not visit the observatory at night without a ticket to one of our evening programs. It was donated to SDSU by Reginald Buller and dedicated at MLO in 1988. The dedication took place during the 1968 summer meeting of the Astronomical Society of the Pacific. Edit This Place. The observatory is open 7 days a week, year round, except for December 24 and 25 and during times of inclement weather, and for now, global pandemic. Five years after beginning its dark-sky journey, the southern California mountain town of Julian has been accredited by the International Dark-Sky Association (IDA) as an International Dark Sky Community. 10845 Rancho Bernardo Road MLO is located 45 miles east of downtown San Diego at a dark site in the Cleveland National Forest at an altitude of 6100 feet (1859 meters). As the gold dwindled, homesteaders realized that the area was ideal for growing apples and pears as well as abundant grazing for cattle. The phone number is (619) 445-6235. in the contintental United States. ( quality of life for their residences by reducing upward pointing light and And don't forget to try an apple pie from your favorite bakery in town. Laguna, CA 91948, 9849 Sunrise Highway, Mt. The observatory is home to five telescopes that are nightly used for a wide variety of astronomical research programs. United States. The Peninsular Range is relatively young in Earth history, being only a few hundred million years old. In 1971 it was installed at MLO after modifications. The trail presents a number of options to the user. Visitors can take self-guided tours of the 200-inch telescope daily from 9 a.m. to 3 p.m. Laguna, CA 91948, 10600 Sunrise Highway, Mt. MLO has grown to include four well-equipped telescopes, ranging in size from 21- to 50-inches (0.5- to 1.25-meters), which are used for research by the faculty and students. Sort by: Mount Laguna has a Mediterranean climate with warm, dry summers and mild, wet winters. San Diego State University is the only institution in the California State University system that offers an independent bachelors degree in astronomy. Palomar Observatory near San Diego, California, is a center of astronomical research owned and operated by Caltech. During the winter the road may be closed temporarily due to snowfall. The Mount Laguna Observatory site is one of the few remaining truly excellent dark sky sites in North America. Laguna provides an easy getaway for hiking, mountain biking, fishing, camping, relaxing, spiritual meditation and family activities. This virtual tour was originally photographed and formatted by The three major research instruments and their auxiliary equipment are: the 50-inch (1.25-meter) Phillips Claud reflector with KU, currently under construction (4K^2 CCD camera system); the 40-inch (1.0-meter) reflector with UIUC, manufactured by Astro Mechanics, Inc. (two CCD cameras, Cassegrain spectrograph, near-IR camera, automated photometer, Coude bench spectrograph); and the Clifford Smith 24-inch (0.6-meter) reflector (automated photometer, SBIG CCD camera). Volunteers engage in many activities that help make our mountain more enjoyable. The summer monsoon conditions that plague Kitt Peak in July and August are greatly moderated at MLO. ) or https:// means you've safely The Visitor Center will have information about dates the Observatory is open for night sky viewing. The observatory site is approximately 60% photometric and 75% spetroscopic. Fecker, Inc., is used for instructional support of our General Education Astronomy classes and labs and for special SDSU public outreach programs. The QE of this CCD peaks at approximately 98% at 5500 Angstroms. Mount Laguna Observatory is located forty-five miles east of downtown San Diego on the eastern edge of the Cleveland National Forest at an altitude of 6100 feet (1859 meters). Astronomers are working with the city council to devise useful alternatives. Website: www.uspspostoffices.com/ca/mount-laguna/mount-laguna. . Lake Cuyamaca: This lake is located just east of the Laguna Mountains and is a popular spot for fishing and boating. Humidity is generally low, and rainfall is infrequent during this time of year. Professor Doug Leonard has tips on when, where and why to look up at the night sky. The SDSU Department of Astronomy is sad to report the passing of Clarence (Ted) Daub, Jr. on Oct. 1, 2022. Friends| SDSU is seeking donors for the estimated $2.5 Million cost of the instrument. Anza-Borrego Desert State Park: This park is located just east of the Laguna Mountains and is home to a diverse array of desert wildlife and plants. The Observatory is open to the public daily (except December 24 and 25) for daytime visits. Frequent outreach events and department gatherings foster a close-knit feel among students and faculty. because of the nature of National Forest and State Park lands, remains The Palomar Observatory is located approximately 45 minutes from Julian. The area is home to many species of birds, as well as the endangered Laguna Skipper butterfly. Wildflowers are usually abundant in April and May on the Big Laguna Trail, which takes visitors past Big Laguna Lake. The 1.25m (49in) 50-inch Phillips Claud Telescope. Mount Laguna Associates along with Astronomy students from SDSU host star parties free to the public on Friday and Saturday nights during the summer months. - Mount Laguna Observatory home page, one of the darker major observatory sites. Little Laguna lake is located just a short distance from the campground and is an excellent hiking destination for photographers and visitors looking to explore the area. A return to the trailhead parking can be made by cutting through the Laguna Campground or by taking the Pacific Crest Trail north. Talks begin at the Gift Shop at 12:30, 1:30, 2:30, 3:30, and 4:30 p.m. At the Gift Shop check out Lick Observatory sweatshirts, T-shirts, mugs, wineglasses, astronomical photos, posters, educational toys, and other astronomy-related goodies. About| There is also unlimited hiking in nearby parks and preserve. Or for history buffs, the El Prado Cabin located at nearby El Prado Campground, is the first ranger cabin built in the Cleveland National Forest in 1911. The dark sky near each of these observatories is therefore protected. The telescope is usually equipped with an 2048x2048 thinned AR coated CCD. This remoteness, along with the high percentage of clear nights and excellent seeing, makes Mount Laguna one of the best overall observatory sites in the continental United States. The Observatory is home to three active research telescopes: the 200-inch (5.1-meter) Hale Telescope, the 48-inch (1.2-meter) Samuel Oschin Telescope, and the 60-inch (1.5-meter) telescope. 2436 reviews. It is located off Sunrise Highway at the eastern edge of the Forest on Mt. LockA locked padlock United States government. San Diego County and various municipalities, such as the Cities of San Diego The facility is equipped with campfire rings, flush toilet restrooms and coin-operated showers. The telescope optics include a focal reducer, with 85mm and 50 mm lenses. Less than an hour from downtown San Diego, nestled in the mountains of the Cleveland National Forest, lies Mount Laguna Observatory, operated by the SDSU Department of Astronomy. Thanks for contributing to our open data sources. Mt. ", Quyen Hart ('99), Senior Education and Outreach Scientist and Webb Science Communications Lead, "From teaching my first classes to hosting star parties, working at SDSU really cemented my passion for communicating science. LMVA is a private, volunteer organization open to anyone interested in supporting Mt Laguna. Media| The CCD was manufactured my Loral and was thinned by Mike Lesser at Steward Observatories CCD lab. Mount Laguna Observatory (MLO) is operated by the SDSU Department of Astronomy to support its research, training, and educational programs. Learn how and when to remove this template message, University of Illinois at Urbana-Champaign, "The Mount Laguna Observatory of San Diego College", "MLO Telescope Project - Physics and Astronomy", https://en.wikipedia.org/w/index.php?title=Mount_Laguna_Observatory&oldid=1133128327, The 1.06m (42in) MLO 40-inch Telescope is a. The Cleveland National Forest, which encloses the Laguna Mountain Recreation area, as well as Palomar mountain, has been protected by San Diego county ordinance from excessive development. The observatory is open to the public year-round Saturday and Sunday, from 12 to 5 p.m. View full map. The Observatory has four-telescopes ranging in size from 21 inches to 50 inches. This remote location, which is free from excessive development Mount Laguna Observatory ( MLO) is an astronomical observatory owned and operated by San Diego State University (SDSU). Post Office boxes are available for rent. It is the thirtieth such designation in IDA history, and only the second in California. IR satellite map for southern CA from NOAA Whether you're looking for outdoor recreation or cultural experiences, there's something for everyone in this beautiful part of Southern California. The Visitor Center is operated by Laguna Mountain Volunteer Association and staffed by LMVA volunteers. The area is also home to several campgrounds and picnic areas, as well as the Laguna Mountain Recreation Area, which offers a range of outdoor activities and amenities for visitors. Name: Mount Laguna Observatory (MLO) Address: Morris Ranch Rd Location: San Diego State: CA Zip: 92182-1221 Contact: website Mount Laguna Observatory (MLO) Palomar Observatory The 2k CCD is operated in single readout mode, and has 15 micron pixels. In the summer, temperatures in Mount Laguna typically range from the mid-70s to mid-80s Fahrenheit during the day and cool off into the 50s and 60s at night. Public Information. the truly excellent astronomical sites remaining in North America. connected to the .gov website. Hamilton Road at an elevation of 4,200 feet. Take a short walk to the Shane Dome to view the 120-inch Reflector from the Visitors Gallery. Campers can enjoy cooler temperatures, unique natural areas and an extensive trail system at this mountain facility from summer through early fall. The 0.6m (24in) Clifford Smith 24-inch Telescope is a Cassegrain reflector. Sky conditions at MLO are photometric 60% of the time and spectroscopic 75% of the time. 2023 Event Tickets go on sale at Noon on May 8, 2023! The Post Office is located at 810 Sunrise Highway right next to the Mt. We do have wheelchair access to the main building from the back. Tours| and administered by Caltech Laguna Campground is a great mountain getaway just one hour east of San Diego, California in the Laguna Mountain Recreation Area. Mount Laguna is a mountain in San Diego County and has an elevation of 6,027 feet. Thus, on these dark nights, the sky brightness at the zenith in the Johnson B filter averages 22.8 magnitudes per square arcsecond. Telescopes| The one meter telescope at Mt. Share sensitive information only CRS: 800-735-2922, https://www.fs.usda.gov/recarea/cleveland/recreation/recarea/?recid=47476&actid=29, This site can be reserved by calling toll free 1-877-444-6777 (International 518-885-3639 or TDD 877-833-6777) or on-line at, This site can be reserved by calling Toll Free 1-877-444-6777 (International 518-885-3639 or TDD 877-833-6777) at, This site can be reserved by calling Toll Free 1-877-444-6777 (International 518-885-3639 or TDD 877-833-6777) or on-line at http://www.recreation.gov/campgroundDetails.do?contractCode=NRSO&parkId=70576&topTabIndex=CampingSpot, Extra vehicle $10 (over 2 allowed with each campsite/night), Parking at Day Use Parking Area $5fee; leaving before 6PM. Caltech Astronomy|

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