NGC 591
 
NGC 591 is a lenticular galaxy located in the constellation of Andromeda. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 591:
| NGC: | NGC 591 | 
| Type: | galaxy | 
| Galaxy type: | lenticular | 
| Galaxy morph class: | S0-a | 
| Constellation: | Andromeda | 
| Surface brightness: | 23.5 mag/arcsec2 | 
| V-mag (visual): | 13.9 | 
| B-mag (blue): | 14.1 | 
| J-mag (IR): | 11.0 | 
| H-mag (IR): | |
| K-mag (IR): | 10.3 | 
| Right Ascension: | 01:33:31.27 | 
| Declination: | 35:40:05.70 | 
| Major axis: | 1.43 ' | 
| Minor axis: | 1.14 ' | 
| Radial velocity: | 4500 km/s | 
| Redshift: | 0.015124 | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS