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The William Herschel Telescope (WHT) is a 4.20-metre (165 in) optical/near-infrared reflecting telescope located at the Roque de los Muchachos Observatory on the island of La Palma in the Canary Islands, Spain. The telescope, which is named after William Herschel, the discoverer of the planet Uranus, is part of the Isaac Newton Group of ...
William Herschel's 40-foot telescope, also known as the Great Forty-Foot telescope, was a reflecting telescope constructed between 1785 and 1789 at Observatory House in Slough, England. It used a 48-inch (120 cm) diameter primary mirror with a 40-foot-long (12 m) focal length (hence its name "Forty-Foot" ).
William Herschel's coat of arms deemed a notorious example of debased heraldry: [103] Argent, on a mount vert a representation of the 40 ft. reflecting telescope with its apparatus proper on a chief azure the astronomical symbol of Uranus irradiated or.
Replica of a telescope similar to that with which William Herschel discovered Uranus. The museum is situated in the former home of the Herschels at 19 New King Street (south side) in Bath, England. The building is a particularly well-preserved small town house of the period. [4]
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A reflecting telescope by James Short; this English telescope maker produced almost 1400 Gregorian reflectors in the mid-1700s. Mobile versions were used to observe the Transit of Venus . List of largest optical telescopes in the 18th century includes various refractors and reflectors that were active some time between about 1699 to 1801.
Telescopium Herschelii (Latin for Herschel's telescope), also formerly known as Tubus Hershelli Major, is a former constellation in the northern celestial hemisphere. Maximilian Hell established it in 1789 to honour Sir William Herschel's discovery of the planet Uranus. It fell out of use by the end of the 19th century.
The famous '40-foot telescope' - at that time the largest in the world - was housed there in the late 18th century and early 19th century. [1] [2] The main house was on Windsor Road. There was also a small cottage on the land. Herschel moved there on 3 April 1786. John Herschel was born in the house, and William died there on 25 August 1822. [3]