Arp 170 (NGC 7578 group, Hickson 94)

  Arp 170 is one of the class Diffuse Counter-Tails.  There are so many galaxies in this group that I won't try to identify all of them.  The two largest and brightest, at the southwest end of the group, are NGC 7578A and B.  The whole group is just off the edge of Abell Galaxy Cluster 2572.  That cluster is almost 28' in diameter, but most of the galaxies are very faint and tiny.

Atlas Image

              

  10-inch Newtonian, StarlightXpress MX716, 25 minutes
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