The Deer Lick Group and Stephan's Quintet
NGC 7331 in Pegasus
is the large spiral galaxy at upper-right. Also called Caldwell 30 or the Pegasus Galaxy, 7331 is an SAb spiral. Discovered by William Herschel in 1784, it is placed at a staggering 50,000,000 light-years distance. While you ponder that, be advised that the smaller galaxies are likely ten times farther away and thus, Deer Lick is not a true interacting group. At lower-left is the very beautiful Stephan's Quintet. This visual group was discovered by Edouard Stephan in 1877. The blue NGC 7320 at the top left of the cluster is estimated to be seven times closer to us than the other four. Those further away are indeed gravitationally bound and are part of HCG 92 (Hickson Compact Group). Note the tidal tails which connect several of these galaxies.
LARGE
is the large spiral galaxy at upper-right. Also called Caldwell 30 or the Pegasus Galaxy, 7331 is an SAb spiral. Discovered by William Herschel in 1784, it is placed at a staggering 50,000,000 light-years distance. While you ponder that, be advised that the smaller galaxies are likely ten times farther away and thus, Deer Lick is not a true interacting group. At lower-left is the very beautiful Stephan's Quintet. This visual group was discovered by Edouard Stephan in 1877. The blue NGC 7320 at the top left of the cluster is estimated to be seven times closer to us than the other four. Those further away are indeed gravitationally bound and are part of HCG 92 (Hickson Compact Group). Note the tidal tails which connect several of these galaxies.
LARGE