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M51 - Spiral Galaxy | by Astro Guy
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M51 - Spiral Galaxy

The beautiful interacting spiral galaxy M51. It has been postulated that large galaxies are created by the collisions of smaller galaxies. In this snapshot of the Universe the central spiral galaxy is slowly accreting the smaller companion at the top.

 

This image is a composite of B,V, R Johnson-cousins filters. Data gathered from the Dominion Astrophysical Observatory (DAO) in Victoria, British Columbia with 60 second exposure times.

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Uploaded on July 19, 2005