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Historically, astronomical observatories consisted generally in a building or group of buildings where observations of astronomical objects such as sunspots, planets, asteroids, comets, stars, nebulae, and galaxies in the visible wavelengths of the electromagnetic spectrum were conducted. At first, for millennia, astronomical observations have ...
Telescope domes have a slit or other opening in the roof that can be opened during observing, and closed when the telescope is not in use. In most cases, the entire upper portion of the telescope dome can be rotated to allow the instrument to observe different sections of the night sky. Radio telescopes usually do not have domes. [citation needed]
Stardome Observatory & Planetarium is located at 670 Manukau Rd, Epsom, Auckland 1023, within Maungakiekie One Tree Hill Domain. The 1,000 square metre facility has two telescope domes, (one available for public viewing sessions), a 75 seat planetarium, gallery and exhibition space, a retail shop, outdoor courtyard telescope space, and space for education groups as well as private hire.
The first telescope installed at the observatory was a 12-inch (300-millimeter) refractor made by Alvan Clark. Astronomer E. E. Barnard used the telescope to make "exquisite photographs of comets and nebulae", according to D. J. Warner of Warner & Swasey Company. [2] The Great Lick 91-centimeter (36-inch) refractor, in an 1889 engraving
Domes are often opened around sunset, long before observing can begin, so that air can circulate and bring the entire telescope to the same temperature as the surroundings. To prevent wind-buffet or other vibrations affecting observations, it is standard practice to mount the telescope on a concrete pier whose foundations are entirely separate ...
Pine Mountain Observatory (PMO) is an astronomical observatory operated by the University of Oregon Department of Physics under a special use permit from the Deschutes National Forest. The facility is located 26 miles (42 km) southeast of Bend, Oregon (USA) near the summit of Pine Mountain .
The south observatory dome has a diameter of 20 feet (6.1 m), and the north dome a diameter of 10 feet (3.0 m). The observatory served as the Astronomical League's official headquarters during a solar eclipse which occurred on February 26, 1979, six years after the observatory opened. Approximately 15,000 people came to the town of Goldendale ...
The park's Astronomy Field has been upgraded to accommodate these astronomers. In 2005 a rotating 15-foot (4.6 m) slotted observatory dome, two 12-foot (3.7 m) clamshell domes, and a 10-by-12-foot (3.0 by 3.7 m) sky shed were added, as well as a small amphitheater for programs.