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Largest optical telescope in UK, but never used due to flawed optics James Gregory Telescope [3] 37 in (94.0 cm) Cassegrain reflector: St Andrews, Fife, Scotland: University of St Andrews: 1962: Largest operational optical telescope in the UK Cambridge 36-Inch telescope [4] 36 in (91.4 cm) Reflector: Cambridge, Cambridgeshire, England ...
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 main instrument at Sherwood Observatory is a Newtonian telescope on an equatorial fork mount. The telescope was initially constructed as a Nasmyth reflector, but due to collimation problems it was converted in the 1990s to the simpler Newtonian configuration. The telescope has stepper motor drive control with an electrical focusser.
There are three other active telescopes located at the observatory; the Mark II, as well as 42 ft and 7m-diameter radio telescopes. Jodrell Bank Observatory is also the base of the Multi-Element Radio Linked Interferometer Network (MERLIN), a National Facility run by the University of Manchester on behalf of UK Research and Innovation.
In addition to the Fry, Radcliffe, and Allen telescopes, two Celestron 14-inch Schmidt-Cassegrain telescopes are housed in permanent domes, and there are several smaller free-standing telescopes. After 13 years of fund-raising efforts, a new ASTELCO 80 cm Ritchey–Chrétien telescope is planned to be installed on site in the Summer of 2018. [10]
The Swedish 1-m Solar Telescope, with a lens diameter of 43 inches, is technically the largest, with 39 inches clear for the aperture.The second largest refracting telescope in the world is the Yerkes Observatory 40 inch (102 cm) refractor, used for astronomical and scientific observation for over a century.
'Kensington', housing the Kensington Telescope. Built in 1881 for the Solar Physics Observatory, London, this dual refractor telescope has a 10" tube for observation and 9" tube with attached prism and plate glass camera for spectroscopy. [8] 'McClean', housing the McClean Telescope, donated to the observatory by Francis McClean in 1912.
There are only a few sites capable of polishing the mirrors for these telescopes. SAGEM in France polished the four VLT mirrors, the two Gemini mirrors, and the 36 segments for GTC. [18] The Steward Observatory Mirror Lab cast and polished the two LBT mirrors, the two Magellan mirrors, the MMT replacement mirror, and the LSST primary/tertiary ...