| NGC 431 | |
| Epoch: | J2000 |
| Ra: | [1] |
| Constellation Name: | Andromeda |
| Z: | 0.019107 |
| H Radial V: | 5,728 km/s |
| Dist Ly: | 97.667+/- |
| Type: | SB0 |
| Appmag V: | 13.86 |
| Absmag V: | -22.96 |
| Size V: | 1.4' × 0.9' |
| Names: | UGC 00776, CGCG 501-132, MCG +05-04-002, 2MASX J01140455+3342149, PGC 4437. |
NGC 431 is a lenticular galaxy of type SB0 located in the constellation Andromeda. It was discovered on November 22, 1827 by John Herschel. It was described by Dreyer as "faint, small, very suddenly brighter middle."[2]