M51 / Arp 85 - The Whirlpool Galaxy #Explored

            Located in the constellation of Canes Venatici is M51, the Whirlpool Galaxy. This was one of Messier's original discoveries in 1773 while observing a comet. M51 is an example of a face-on spiral galaxy. This object is actually two galaxies. The second, known as NGC 5195, is interacting with M51. The outer regions of the two galaxies actually touch each other. M51 is located about 26 million light-years from Earth. 

Details
M: Avalon Linear Fast reverse
T: Celestron C9.25 with 0.63x reducer
C: Atik 460EXM with Baader LRGB filters

50x600s 2xbin Luminance
50x180s Red, Blue and Green - A total integration time of 15.5 hours

Taken on: March 12, 2014

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Sara Wager

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