NGC 3156
| NGC 3156 | |
|---|---|
 NGC 3156 by Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Sextans |
| Right ascension | 10h 12m 41.24591s |
| Declination | +03° 07′ 45.6939″ |
| Redshift | 0.00415 |
| Heliocentric radial velocity | 1242 km/s |
| Distance | 72.67 ± 0.46 Mly (22.28 ± 0.14 Mpc) |
| Apparent magnitude (V) | 12.30 |
| Apparent magnitude (B) | 13.07 |
| Characteristics | |
| Type | S0 |
| Other designations | |
| UGC 5503, MCG +01-26-019, PGC 29730 | |
NGC 3156 is a lenticular galaxy located in the constellation Sextans. It is located at a distance of about 75 million light-years from Earth and is forming a pair with NGC 3169. It was discovered by astronomer William Herschel on December 13, 1784.
It is a member of the NGC 3166 Group of galaxies, which is a member of the Leo II Groups, a series of galaxies and galaxy clusters strung out from the right edge of the Virgo Supercluster.