NGC 2506
Caldwell 54
 
NGC 2506 is a open cluster located in the constellation of Monoceros. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 2506:
| NGC: | NGC 2506 | 
| Common name: | Caldwell 54 | 
| Type: | open cluster | 
| Constellation: | Monoceros | 
| V-mag (visual): | 7.6 | 
| B-mag (blue): | 8.28 | 
| Right Ascension: | 08:00:01.78 | 
| Declination: | -10:46:10.70 | 
| Major axis: | 10.8 ' | 
| Radial velocity: | 85 km/s | 
| Redshift: | 0.000283 | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS