| NGC 1989 | |
|---|---|
legacy surveys image of NGC 1989 | |
| Observation data (J2000 epoch) | |
| Constellation | Columba |
| Right ascension | 05h 34m 2342s |
| Declination | −30° 48′ 03.55″ |
| Redshift | 0.035858 |
| Heliocentric radial velocity | 10557 |
| Distance | 482 Million |
| Apparent magnitude (V) | 12.9 |
| Apparent magnitude (B) | 14.13 |
| Characteristics | |
| Type | S0 |
| Apparent size (V) | 1.40 x 1.1arc minutes |
| Other designations | |
| ESO 423-21, MCG -5-14-4, AM 0532-304, PGC 17464 | |
NGC 1989 (also known as ESO 423-21) is a lenticular galaxy in the constellation Columba. It is about 482 million light-years away from the Milky Way. The galaxy was discovered by John Herschel on January 28, 1835. Its apparent magnitude is 12.9 and its size is 1.40 by 1.1 arc minutes.