NGC 5991
NGC 5991 is a elliptical galaxy located in the constellation Serpens. Some key stats include:
| NGC: | NGC 5991 |
| Type: | galaxy |
| Galaxy type: | elliptical |
| Galaxy morph class: | E |
| Constellation: | Serpens |
| Surface brightness: | 23.3 mag/arcsec2 |
| B-magnitude (blue): | 14.4 |
| J-magnitude (IR): | 11.2 |
| H-magnitude (IR): | |
| K-magnitude (IR): | 10.6 |
| Right Ascension: | 15:45:16.78 |
| Declination: | 24:37:49.90 |
| Major axis: | 1 ' |
| Minor axis: | 0.78 ' |
| Angle (major axis): | 129° |
| Radial velocity: | 6719 km/s |
| Redshift: | 0.022669 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula