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The Triangulum Galaxy is a spiral galaxy approximately 3 million light years from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598. The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, which includes our own Milky Way Galaxy, the Andromeda Galaxy and about 30 other smaller galaxies. It is one of the most distant permanent objects that can be viewed with the naked eye. Being a diffuse object, its visibility is strongly affected by small amounts of light pollution.
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Credit: KPNO, NOAO, AURA, Dr. Philip Massey (Lowell Obs.)
Image processing (dynamic range compression, color composition, cleaning, tuning): Davide De Martin.
http://www.skyfactory.org/
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