| NGC 4100 | |
|---|---|
| Hubble Space Telescope image of NGC 4100 | |
| Observation data (J2000 epoch) | |
| Constellation | Ursa Major |
| Right ascension | 12h 06m 08.602s [1] |
| Declination | +49° 34′ 56.32″ [1] |
| Redshift | 0.003582 [2] |
| Heliocentric radial velocity | 1,072 ± 6 km/s [2] |
| Distance | 65.1 Mly (20.0 Mpc) [3] |
| Group or cluster | NGC 3992 group [4] |
| Apparent magnitude (B) | 11.7 [2] |
| Characteristics | |
| Type | SAbc [2] |
| Mass | 33.3+10.7 −12.7×109 [3] M☉ |
| Other designations | |
| NGC 4100, UGC 7095, MCG +08-22-068, PGC 38370 [2] | |
NGC 4100 is a spiral galaxy in the northern constellation of Ursa Major. It was discovered by William Herschel on Mar 9, 1788. [5] This galaxy is a member of the NGC 3992 group in the Ursa Major Cluster. [4]