C91 - Wishing Well Cluster
Caldwell 91 (NGC 3532) also known as the Wishing Well Cluster is a open cluster located within the constellation Carina.
C91 is best viewed during Spring, is magnitude 3*, and can be viewed with naked eye. It is 55' in size. For reference, the full moon is 30' (arc minutes) in size.
- Wishing Well Cluster
- open cluster
- naked eye
- 11 06.4
- -58 40'
* The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.