NGC 5531
 
NGC 5531 is a lenticular galaxy pair located in the constellation of Bootes. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 5531:
| NGC: | NGC 5531 | 
| Type: | galaxy pair | 
| Galaxy type: | lenticular | 
| Galaxy morph class: | S0 | 
| Constellation: | Bootes | 
| Surface brightness: | 23.2 mag/arcsec2 | 
| B-mag (blue): | 14.7 | 
| J-mag (IR): | 11.3 | 
| H-mag (IR): | |
| K-mag (IR): | 10.6 | 
| Right Ascension: | 14:16:43.30 | 
| Declination: | 10:53:05.20 | 
| Major axis: | 1.07 ' | 
| Minor axis: | 0.6 ' | 
| Angle (major axis): | 170° | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS