C100 - Lambda Centauri
Caldwell 100 also known as the Lambda Centauri is a open cluster located within the constellation Centaurus.
C100 is best viewed during Spring, is magnitude 4.5*, and can be viewed with naked eye. It is 15' in size. For reference, the full moon is 30' (arc minutes) in size.
- Lambda Centauri
- open cluster
- naked eye
- 11 36.6
- -63 02'
* The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.