Right ascension 11 11 41 Constellation Ursa Major | Declination 28° 38′ 41″ | |
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NGC 3561 is a pair of interacting galaxies NGC 3561A and NGC 3561B within the galaxy cluster Abell 1185. Its common name is "the Guitar" and contains a small tidal dwarf galaxy known as Ambartsumian's Knot.
References
NGC 3561 Wikipedia(Text) CC BY-SA