NGC 3931
NGC 3931 is a lenticular galaxy located in the constellation Ursa Major. Some key stats include:
| NGC: | NGC 3931 |
| Type: | galaxy |
| Duplicate cross-reference: | NGC 3917A |
| Galaxy type: | lenticular |
| Galaxy morph class: | E-S0 |
| Constellation: | Ursa Major |
| Surface brightness: | 23.2 mag/arcsec2 |
| B-magnitude (blue): | 14.4 |
| J-magnitude (IR): | 11.4 |
| H-magnitude (IR): | |
| K-magnitude (IR): | 10.8 |
| Right Ascension: | 11:51:13.45 |
| Declination: | 52:00:03.10 |
| Major axis: | 1.13 ' |
| Minor axis: | 0.88 ' |
| Angle (major axis): | 157° |
| Radial velocity: | 901 km/s |
| Redshift: | 0.00301 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula