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M31 - The Andromeda Galaxy

M31, the Andromeda galaxy is 2.3 million light years away. This shot was taken on August 5, 2010 with my new Orion 102mm premium APO refractor under the relatively dark skies of Dewey, Arizona. This image is the result of a stack of subs ranging from 3 to 10 minutes in length. The total imaging time was approximately 75 minutes using my modified Canon Rebel 1000xs.


M31, the Andromeda galaxy is one of the largest known galaxies. It contains approximately 300 Billion stars spread across 130,000 light years. M31 is about twice as massive as our Milky Way galaxy, and is headed in our direction at a speed of 185 miles per second. Don't worry, we will all be gone before it gets here... The image above also shows M32 a dwarf elliptical galaxy, seen just below and to the left of M31, and M110, an elliptical galaxy seen above and to the right in this image.


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