This is an image of Stephan's Quintet which is comprised of five galaxies in the constellation Pegasus. The five galaxies are NGC 7320, NGC 7319, NGC 7318a, NGC 7318b, NGC 7317. Four of the galaxies, NGC 7317, NGC7318a, NGC 7318b, and NGC 7319 form a physical association and will likely merge. The fifth galaxy, NGC 7320, is a foreground galaxy about seven times closer to earth than the other galaxies.
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