NGC 4183

NGC 4183 is a spiral galaxy with a faint core and an open spiral structure located about 55 million light-years from the Sun. Spanning about eighty thousand light-years, it appears in the constellation of Canes Venatici. NGC 4183 was observed for the first time by British astronomer William Herschel on 14 January 1788.
NGC 4183 is a member of the NGC 4111 Group, which is part of the Ursa Major Cloud and is the second largest group in the cloud after the NGC 3992 Group.
One supernova has been observed in NGC 4183: SN 1968U was discovered by Justus R. Dunlap on 29 October 1968.