NGC 3982
| NGC 3982 | |
|---|---|
NGC 3982 imaged by the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Ursa Major |
| Right ascension | 11h 56m 28.1280s |
| Declination | +55° 07′ 30.766″ |
| Redshift | 0.003741±0.000000638 |
| Heliocentric radial velocity | 1122 ± 0 km/s |
| Distance | 67.8 ± 2.5 Mly (20.80 ± 0.77 Mpc) 70.38 ± 0.23 Mly (21.58 ± 0.07 Mpc) |
| Group or cluster | M109 Group |
| Apparent magnitude (V) | 12.0 |
| Characteristics | |
| Type | SAB(r)b |
| Size | ~50,400 ly (15.44 kpc) (estimated) |
| Apparent size (V) | 1.7′ × 1.5′ |
| Other designations | |
| IRAS 11538+5524, UGC 6918, MCG +09-20-036, PGC 37520, CGCG 269-019 | |
NGC 3982 is an intermediate spiral galaxy approximately 68 million light-years away in the constellation Ursa Major. It was discovered by German-British astronomer William Herschel on April 14, 1789, and misclassified as a planetary nebula. NGC 3982 is a part of the M109 Group.
At an apparent magnitude of 12.0, NGC 3982 needs a telescope to be viewed. Using small telescopes, the galaxy appears as a very faint, diffuse patch of light, with its central region appearing as a slightly brighter diffuse ball.