NGC 2133
 
NGC 2133 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 2133:
| NGC: | NGC 2133 | 
| Type: | open cluster | 
| Constellation: | Mensa | 
| B-mag (blue): | 12.0 | 
| Right Ascension: | 05:51:28.72 | 
| Declination: | -71:10:30.10 | 
| Major axis: | 1.6 ' | 
| Minor axis: | 1.6 ' | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS