NGC 991
 
NGC 991 is a mixed spiral galaxy located in the constellation of Cetus. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 991:
| NGC: | NGC 991 | 
| Type: | galaxy | 
| Galaxy type: | mixed spiral | 
| Galaxy morph class: | SABc | 
| Constellation: | Cetus | 
| Surface brightness: | 22.5 mag/arcsec2 | 
| B-mag (blue): | 12.9 | 
| J-mag (IR): | 11.9 | 
| H-mag (IR): | |
| K-mag (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 (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS