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Stephen C. Singer-Brewster (a.k.a. Stephen C. Brewster) is an American astronomer. Mr. Brewster is a member of the American Association of Variable Star Observers. He participated in the Palomar Planet Crossing Asteroid Survey (PCAS) as an observer and astrometrist under the direction of Dr. Eleanor F. Helin (JPL/Caltech) from 1985 to 1988. During this period Mr. Brewster was credited with six new asteroid discoveries and one periodic comet discovery – comet 105P/Singer Brewster.〔(【引用サイトリンク】title=JPL Small-Body Database Browser: 105P/Singer Brewster )〕 He also discovered six asteroids: Singer-Brewster has been an active member of Stony Ridge Observatory, Inc. since 1983 and has served on its Board of Directors. He formed the Faint Object Follow Up (FOFU) project at Stony Ridge in 2000 to encourage observations of faint asteroids and comets. Dr. Helin honored him with the naming of an asteroid, (10315) Brewster, to acknowledge his work for PCAS, Stony Ridge Observatory, and the Jet Propulsion Laboratory (JPL). Singer-Brewster is currently a retired member of the staff at JPL. At JPL, he worked on a number of spacecraft missions such as the Pluto Fast Flyby, the Outer Planets/Solar Probe Mission and the Europa Orbiter mission. At the time of his retirement in 2003 he was working in the Mars Advanced Studies Program and the Europa Orbiter/X2000 avionics development project at JPL. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Stephen Singer-Brewster」の詳細全文を読む スポンサード リンク
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