Discovered the moons Triton, Hyperion, Ariel and Umbriel
Awards
Gold Medal of the Royal Astronomical Society (1849)
Royal Medal (1858)
Scientific career
Fields
Astronomer
William LassellFRS FRSE FRSL FRAS (18 June 1799 – 5 October 1880) was an English merchant and astronomer.[1][2][3][4][5][6] He is remembered for his improvements to the reflecting telescope and his ensuing discoveries of four planetary satellites.
^"Lassell, William" . Dictionary of National Biography. London: Smith, Elder & Co. 1885–1900.
^AN 98(1881) 108 (in German)
^"William Lassell". Monthly Notices of the Royal Astronomical Society. 41 (4): 188–191. 1881. Bibcode:1881MNRAS..41..188.. doi:10.1093/mnras/41.4.188. Retrieved 8 November 2015.
^Huggins, Margaret Lindsay (1880). "The late Mr. William Lassell, LL.D., F.R.S.". The Observatory. 3 (43): 587–590. Bibcode:1880Obs.....3..586H.
^"The Late Mr. Lassell". Astronomical Register. 18 (215): 284–285. 1880. Bibcode:1880AReg...18..284. Retrieved 8 November 2015.
^McFarland, John (2014). "Lassell, William". In Hockey, Thomas; Trimble, Virginia; Williams, Thomas R. (eds.). Biographical Encyclopedia of Astronomers. New York: Springer Publishing. pp. 1281–1283. doi:10.1007/978-1-4419-9917-7_828. ISBN 978-1-4419-9917-7.
WilliamLassell FRS FRSE FRSL FRAS (18 June 1799 – 5 October 1880) was an English merchant and astronomer. He is remembered for his improvements to the...
Lassell may refer to: Michael Lassell (born 1947), American writer and editor WilliamLassell (1799–1880), English astronomer. Objects named after him...
Uranus II and IV) and WilliamLassell's (where they are sometimes I and II). With the confirmation of Ariel and Umbriel, Lassell numbered the moons I through...
The first mention of rings around Neptune dates back to 1846 when WilliamLassell, the discoverer of Neptune's largest moon, Triton, thought he had seen...
Greek mythology. By far the largest of them is Triton, discovered by WilliamLassell on October 10, 1846, 17 days after the discovery of Neptune itself...
moon Hyperion; it was independently co-discovered at the same time by WilliamLassell in Britain, and both are given credit. Father and son were the first...
only one massive enough to be spheroidal. Triton was discovered by WilliamLassell just 17 days after the discovery of Neptune itself. Unlike all other...
hathitrust.org. HathiTrust Digital Library. 1802. Retrieved 2017-07-04. Lassell, W. (May 1845). "Observations of the solar eclipse, May 5, 1845, and of...
Mount Lassell (71°45′S 68°50′W / 71.750°S 68.833°W / -71.750; -68.833) is a snow-covered peak, 1,000 metres (3,300 ft) high, overlooking the head of...
turned out not to exist. Before any more Uranian moons were discovered, WilliamLassell sometimes adopted Herschel's numbers where Titania and Oberon are respectively...
Saturn's moon, Hyperion (which was also independently discovered by WilliamLassell). In addition to his astronomical contributions, Bond also surveyed...
were discovered in 1789 by William Herschel. Hyperion was discovered in 1848 by W. C. Bond, G. P. Bond and WilliamLassell. The use of long-exposure photographic...
Telescope, Casting a telescope mirror, 1866 "WilliamLassell (1799-1880) and the discovery of Triton, 1846". "The Lassell Telescope". Fraunhofer and the Great...
Johnson John Knibb, Oxford and London Joseph Knibb, Oxford and London WilliamLassell (1758–1790), Toxteth Park, Liverpool Timothy Mason Gainsborough, Lincolnshire...
Sir William Herschel (German born astronomer, later in life British) Discovery of Triton and the moons Hyperion, Ariel and Umbriel – WilliamLassell Planetarium...
galaxies discovered by William Parsons, 3rd Earl of Rosse (1800–1867). 1846: Discovery of Triton by WilliamLassell (1799–1880); Lassell also discovered the...
double stars as well as observations of planets. He was a friend of WilliamLassell. He was nicknamed "eagle eyed". He set up his private observatory at...
Astronomical Society, Vol. 8, No. 3 (January 14, 1848), pp. 43–44 Lassell, W.; Letter from WilliamLassell, Esq., to the Editor, Astronomical Journal, Vol. 2, No...
it was his intention it should appear. Sketches were also made by WilliamLassell in 1862 using his four-foot telescope at Malta, and by M. Trouvelot...
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