NGC 991
NGC 991 is a mixed spiral galaxy located in the constellation Cetus. Some key stats include:
| NGC: | NGC 991 |
| Type: | galaxy |
| Galaxy type: | mixed spiral |
| Galaxy morph class: | SABc |
| Constellation: | Cetus |
| Surface brightness: | 22.5 mag/arcsec2 |
| B-magnitude (blue): | 12.9 |
| J-magnitude (IR): | 11.9 |
| H-magnitude (IR): | |
| K-magnitude (IR): | 11.4 |
| Right Ascension: | 02:35:32.68 |
| Declination: | -07:09:16.00 |
| Major axis: | 1.48 ' |
| Minor axis: | 1.31 ' |
| Angle (major axis): | 75° |
| Radial velocity: | 1554 km/s |
| Redshift: | 0.005197 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula