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The only working telescope is a Meade MAX 20in ACF (0.5 m) reflector in a hemispherical dome on top of the teaching laboratories. This telescope is used for undergraduate teaching. As of April 2012, the 1967 telescope and mount have been removed to Mid-Kent Astronomical Society; a replacement telescope will be installed later in 2012. [4]
The 41 inch was installed in the southern dome, replacing the old 24-inch (2 foot ) reflecting telescope that dated to the turn of the century. [10] The northern dome housed the new 24 inch, which replaced the Kenwood 12-inch refractor. [10] Both of these domes are on the eastern side of the building along with the meridian transit room. [10]
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]
The observatory's main dome houses a 40 in-diameter (102 cm) doublet lens refracting telescope, the second-largest refractor ever successfully used for astronomy. The largest lens is the Swedish 1-m Solar Telescope. There are several smaller telescopes – some permanently mounted – that are primarily used for educational purposes.
The observatory is a 1-meter Coudé telescope with a field of view of 0.7 degrees, supported by an English cross-axial mount inside a dome 12.5-meters in diameter. Its main purposes are: to be the optical ground station of the Artemis telecommunications satellite (the project from which the telescope takes its name)
The Great Refractor dome, 2013 Dome of the Royal Observatory Greenwich 28-inch refractor, circa 1900. The dome for the older, smaller telescope was taken down in 1892, and the new, larger dome for the 28-inch was finished by 1893. [7] The older dome for the 12.8 inch refractor has been called a 'drum dome' whereas the 28-inch is called the ...
The Sigma 32" telescope and its massive dome came to PMO as part of an expansion of the facility in the late 1970s. Installed in 1978, this telescope has been one of the largest telescopes in the Pacific Northwest for many years! The Sigma was a research active telescope through the mid-1990s.
The original telescope mirror at Helwan was replaced by Zeiss in 1997, and the telescope at Mount Stromlo was destroyed by fire in 2003. [12] A 1.93-metre Grubb-Parsons telescope at Haute-Provence Observatory with a higher-resolution spectrograph was used to discover an extrasolar planet orbiting the star 51 Pegasi in 1995. [13]