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Jack B. Newton
John "Jack" Borden Newton (born 13 Aug 1942, Winnipeg, Manitoba) is a Canadian astronomer, best known for his publications and images in amateur astrophotography both in film and CCD.
==Astrophotography==
Newton took his first astrophotograph when he was 13 years old of the planet Saturn. He invented "cold camera" astrophotography, allowing for substantially longer exposures on film.
In 1991 Newton became the first amateur astrophotographer to make full (RGB) color CCD images of celestial objects using a Santa Barbara Instruments Group ST-4 camera, making a full color CCD image of M57, the "Ring Nebula" and M27, the "Dumbbell Nebula". He took three separate black and white images, each taken with a separate filter in red, blue, and green, which were later combined in software that was being developed for amateur astrophotography by Richard Berry, then editor of ''Astronomy'' magazine. Berry published the first combined color CCD image of M27 as his magazine's cover.
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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