| NGC664 | |
| Constellation Name: | Pisces |
| Epoch: | J2000 |
| Type: | Sb?[1] |
| Dist Ly: | NaNMpc |
| Group Cluster: | NGC 664 Group |
| Z: | 0.018113 |
| H Radial V: | 5430 ± 3 km/s |
| Appmag V: | 12.8 |
| Size V: | 1.1' x 0.9' |
| Size: | ~35.14kpc (estimated) |
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 NaNMpc. In addition, six non redshift measurements give a distance of NaNabbr=onNaNabbr=on.[2] It was discovered by British astronomer John Herschel on 24 September 1830.[3]
Three supernovae have been observed in NGC664: SN1996bw (typeII, mag.17.5),[4] SN1997W (type II, mag.18),[5] and SN1999eb (typeIIn, mag.16.2).[6]
NGC 664 is the namesake of the four member NGC664 group. The other three galaxies are: IC 150, UGC 1204, and UGC 1240.[7]