NGC 664

NGC664 is a spiral galaxy in the constellation of Pisces. Its velocity with respect to the cosmic microwave background is 5137 ± 21km/s, which corresponds to a Hubble distance of. In addition, six non redshift measurements give a closer distance of. It was discovered by British astronomer John Herschel on 24 September 1830.

Supernovae

Three supernovae have been observed in NGC664:SN1996bw was discovered by the BAO Supernova Survey on 30 November 1996.SN1997W was discovered by the Harvard–Smithsonian Center for Astrophysics on 1 February 1997.SN1999eb was discovered by the Lick Observatory Supernova Search on 2 October 1999.

NGC 664 Group

NGC 664 is the namesake of the four member NGC664 group. The other three galaxies are: IC 150, UGC 1204, and UGC 1240.