Caldwell 54 (NGC 2506) is a open cluster located within the constellation Monoceros.
C54 is best viewed during Winter, is magnitude 7.6*, and can be viewed with binoculars. It is 7' in size. For reference, the full moon is 30' (arc minutes) in size.
- open cluster
- 08 00.2
- -10 47'
* The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.