NGC 3921
NGC 3921 is a lenticular galaxy located in the constellation Ursa Major. Some key stats include:
| NGC: | NGC 3921 |
| Type: | galaxy |
| Galaxy type: | lenticular |
| Galaxy morph class: | S0-a |
| Constellation: | Ursa Major |
| Surface brightness: | 23.2 mag/arcsec2 |
| V-magnitude (visual): | 12.4 |
| B-magnitude (blue): | 13.1 |
| J-magnitude (IR): | 10.7 |
| H-magnitude (IR): | |
| K-magnitude (IR): | 10.0 |
| Right Ascension: | 11:51:06.87 |
| Declination: | 55:04:43.50 |
| Major axis: | 2.02 ' |
| Minor axis: | 1.2 ' |
| Angle (major axis): | 30° |
| Radial velocity: | 5842 km/s |
| Redshift: | 0.01968 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula