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M51 - always a challenging object for me. This is probably my best ever of that galaxy shot with the C-14 HD at f/7 and Canon 6D at ISO 6400. Stack of 6 x 5 minutes exposures.

© 2016 Klaus Brasch







The following was retrieved from Wikipedia, the free encyclopedia, at en.wikipedia.org/wiki/Whirlpool_Galaxy on February 12, 2016

"The Whirlpool Galaxy, also known as Messier 51a, M51a, or NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus in the constellation Canes Venatici. It was the first galaxy to be classified as a spiral galaxy. Recently it was estimated to be 23 ± 4 million light-years from the Milky Way, but different methods yield distances between 15 and 35 million light-years. Messier 51 is one of the best known galaxies in the sky. The galaxy and its companion, NGC 5195, are easily observed by amateur astronomers, and the two galaxies may even be seen with binoculars. The Whirlpool Galaxy is also a popular target for professional astronomers, who study it to further understand galaxy structure (particularly structure associated with the spiral arms) and galaxy interactions."

The license terms of this written work from Wikipedia may be found at http://creativecommons.org/licenses/by-sa/3.0/





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