Arp 321

  Arp 321 is the last member of the class Galaxy Groups.  The Atlas note says "sharp absorption lane in connection to S galaxy".  That can just be seen in this image.  All of these galaxies also make up Hickson Compact Group 40, and have MCG designations -1-25-8 through -1-25-12.  The little double galaxy about 4' W is Mitchell Anonymous 0938-0951, or LEDA 82490.

Three trails from geosynchronous satellites can be seen in the negative image.  These were only the brightest of seven that passed through the field in an hour.

Atlas Image


  10-inch Newtonian, StarlightXpress MX716, 62 minutes
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