NGC 7647 is a giant elliptical galaxy of type cD located in the constellation Pegasus. The redshift of the galaxy is (z) 0.041 and it was discovered by German-British astronomer William Herschel on 29 November 1785.
Supernovae Two supernovae have been observed in NGC 7647: SN 2009hi (TypeIa, mag. 18.0) was discovered by Kōichi Itagaki, and independently by the Lick Observatory Supernova Search (LOSS), on 10 July 2009. SN 2026abud (TypeIa, mag. 20.1) was discovered by GOTO on 14 September 2026.
References