NGC 259 is a spiral galaxy located in the constellation Cetus. It was discovered by William Herschel in 1786.
NGC 259 is part of a galaxy group known as LGG 13. It has at least 7 confirmed members, which are NGC 245, NGC 271, NGC 279, NGC 307, Mk 557 and UGC 505.
Supernova One supernova has been observed in NGC 259: SN 2017jbj (Type II, mag. 16.9) was discovered by Kōichi Itagaki on 20 December 2017.
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