AstroPhotography by Dan Richey

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Triangulum Galaxy
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Triangulum Galaxy

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The Triangulum Galaxy is a spiral galaxy approximately 3 million light years from Earth. It is sometimes informally referred to as the Pinwheel Galaxy, a nickname it shares with Messier 101. The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, which includes the 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.

Object Information

Name Triangulum Galaxy
Type Spiral Galaxy
Constellation Triangulum
Catalogue M33 / NGC 598

Acquisition / Processing

Exposure L - 1 x 3600 sec Bin 1
Total 1.0 Hr
1 hour luminance. No reduction (Dark, Flat, Bias). Spectacular guiding with SG4 stand alone.
Telescope AP 160 @ f7.7
Camera SBIG ST-8300
Camera Temp -28ÂșC
Guiding SBIG SG4 / Tak 90
Mount AP 900GTO
Filters Astrodon-Gen 2 LRGB
Processing CCDStack. Curves only in PhotoShop, no levels.
Location San Pedro Creek, NM
Date October 30, 2011

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