Arp 57

  Arp 57 is another member of the class Spirals with Small HSB Companions on Arms.  The companion is just south of the primary, at the end of the arm, but the small galaxy about 1 arc minute ESE of the companion is also included in the Atlas field.  There is no obvious connection and I think it was probably just included because it was so close.  The Atlas note only mentions one companion, saying "small companion connected to end of arm".

Atlas Image

              

  10-inch Newtonian, StarlightXpress MX716, 32 minutes
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