NGC 3147
| NGC 3147 | |
|---|---|
NGC 3147 imaged by the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Draco |
| Right ascension | 10h 16m 53.6504s |
| Declination | +73° 24′ 02.695″ |
| Redshift | 0.009346 ± 0.000003 |
| Heliocentric radial velocity | 2,802 ± 1 km/s |
| Distance | 129 ± 29 Mly (39.6 ± 8.9 Mpc) |
| Apparent magnitude (V) | 10.6 |
| Characteristics | |
| Type | SA(rs)bc |
| Size | ~176,600 ly (54.16 kpc) (estimated) |
| Apparent size (V) | 3.9′ × 3.5′ |
| Notable features | Seyfert galaxy |
| Other designations | |
| IRAS 10126+7339, UGC 5532, MCG +12-10-025, PGC 30019, CGCG 333-022 | |
NGC 3147 is a spiral galaxy located in the constellation Draco. It is located at a distance of about 130 million light years from Earth, which, given its apparent dimensions, means that NGC 3147 is about 140,000 light years across. It was discovered by William Herschel on April 3, 1785.