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William Lassell (18 June 1799 – 5 October 1880) was a British astronomer, born in Bolton, Lancashire, England. He died in Maidenhead in 1880. He is known as discoverer of Triton , the largest moon of Neptune , and for his improvements to the reflecting telescope .
Lassell also discovered Hyperion and the crêpe ring of Saturn, independently of William Bond. In 1851 he discovered Ariel and Umbriel. In the winter of 1852–1853, he moved his 24-inch telescope to Malta, where, under much clearer skies than were available in industrial England he was able to observe and catalogue hundreds of new nebulae.
WILLIAM LASSELL 1799 – 1888. William Lassell, who lived at Ray Lodge, was a distinguished amateur astronomer who discovered moons of Saturn and Neptune. The son of a timber merchant, Lassell made his fortune as a brewer, but his passion in life was astronomy and he became one of the leading Victorian astronomers.
33. Herschel W. Lassell to J., 14 August 1847, Royal Society Herschel papers (H.S. 11.134).A few days earlier Lassell had written to the Astronomische Nachrichten and commented that he had noticed on two or three occasions the same appearance of the ring as in 1846, “But nothing more strongly confirmatory, and I wait to see the planet more nearly on the meridian, and for a state of ...
It is a curious fact that beer has facilitated the emergence of some of the key figures in the history of astronomy. For example, in a previous chapter, we have already covered the saga of Johannes Hevelius of Danzig in the late seventeenth century, whose fortune came through brewing. And it was also true of William Lassell (born June 18, 1799), the son of a timber merchant hailing from Moor ...
Descubrimiento y denominación. Umbriel fue descubierto por William Lassell el 24 de octubre de 1851. En la misma noche también encontró a Ariel. [4] [5] Aunque William Herschel, descubridor de Titania y Oberón, afirmó a finales del siglo XVIII que había visto otros cuatro satélites de Urano, [6] sus observaciones no se confirmaron y esos objetos se consideran espurios.
Lassell was one of the first English astronomers to abandon the unwieldy altazimuth structures of the William Herschel era, constructing a 9‐in. Newtonian reflector and installing it at Starfield in 1833 on an equatorial mounting of his own design.
