| NGC 317 | |
|---|---|
SDSS image of NGC 317 | |
| Observation data (J2000 epoch) | |
| Constellation | Andromeda |
| Right ascension | 00h 57m 39.7s |
| Declination | +43° 47′ 47″ |
| Redshift | 0.018109 |
| Heliocentric radial velocity | 5,429 km/s |
| Apparent magnitude (V) | 13.8 |
| Characteristics | |
| Type | S0 + Sb |
| Other designations | |
| CGCG 536-013, PGC 3442 + PGC 3445. | |
NGC 317 is a pair of interacting galaxies, consisting of a lenticular galaxy NGC 317A (also designated as PGC 3442) and a spiral galaxy NGC 317B (also designated as PGC 3445), in the constellation Andromeda. It was discovered on October 1, 1885 by Lewis Swift.
Two supernovae have been observed in NGC 317B: