When Galaxies Collide

Posted by Mike Smithwick on July 16, 2011 in Astronomical Event, Astrophotography | 1 comment

NGC 2207 and IC 2163 are a pair of colliding spiral galaxies about 80 million light-years away in the constellation Canis Major. Both galaxies were discovered by John Herschel in 1835. So far three supernovae have been observed in NGC 2207.