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Deer Lick Galaxy and Stephan's Quintet

The Deer Lick Galaxy, NGC7331, is a spiral galaxy around 40 million light years away in the constellation Pegasus. While most spiral galaxies have spiral arms that rotate in unison, the Deer Lick Galaxy's arms rotate in an opposite direction to the central region, and is probably caused by infalling material. The Deer Lick galaxy is one of the brighter galaxies at magnitude 10.4, and has several smaller galaxies appear close to it. However, these galaxies are roughly 10x farther than NGC7331.

 

Stephan's Quintet is a grouping of 5 galaxies, one of which is much closer to us at 40 million light years than the other four which lie around 300 million light years. The farther galaxies appear more yellow due to the increased redshift from the expansion of the universe.

 

Details:

Scope: TMB130SS

Camera: QSI683-wsg8

Guide Camera: Starlight Xpress Ultrastar

Mount: Mach1 GTO

L: 19x10min

RGB: 12x5min each

6.3 hrs total exposure

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Uploaded on September 3, 2016