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Ian Shelton
Ian Keith Shelton (born 30 March 1957 in Winnipeg, Canada) is a Canadian astronomer who discovered SN 1987A, the first modern supernova close and bright enough to be visible to the naked eye.
He received his B.Sc. in 1979 from the University of Manitoba and in 1981 began his professional career working as Resident Astronomer at the University of Toronto Southern Observatory at Las Campanas, Chile.
==Discovery of Supernova 1987A==
On February 24, 2:40 a.m., 1987, Shelton, while working in Chile at Las Campanas Observatory for the University of Toronto, discovered a previously undetected bright light on a photograph of the Large Magellanic Cloud. Initially skeptical, Shelton went outside to look with the naked eye, and saw that the bright light was indeed present. His discovery turned out to be a supernova, the first visible to the naked eye since Johannes Kepler observed SN 1604 nearly 383 years prior.
Other astronomers around the world also soon noticed the bright new object. As Shelton was among the first to report, he is credited as the discoverer, along with Oscar Duhalde and Albert Jones.〔http://www.cbat.eps.harvard.edu/iauc/04300/04316.html〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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