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NGC 3642
Ursa Major
Penryn, California
February 2008
FS-128  (ag, ST-4)
ST-2000XM LRGB 10  minutes each

NGC 3642, a galaxy disturbed by a past interaction, while classified as type SBc it displays a warped outer ring undergoing star formation at 1.5 times the rate on the inner area. (Verdes-Montenegro 2002).  Distance is 79 Mly.