NGC 1815
 
NGC 1815 is a open cluster located in the constellation of Mensa. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 1815:
| NGC: | NGC 1815 | 
| Type: | open cluster | 
| Constellation: | Mensa | 
| V-mag (visual): | 12.4 | 
| B-mag (blue): | 12.4 | 
| Right Ascension: | 05:02:27.25 | 
| Declination: | -70:37:15.80 | 
| Major axis: | 1.2 ' | 
| Minor axis: | 1 ' | 
| Angle (major axis): | 60° | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS