Caldwell object C75 is a open cluster located within the constellation Scorpius.
Caldwell C75 is best viewed during Summer, is magnitude 5.8*, and can be viewed with naked eye (just barely). It is 29' in size. For reference, the full moon is 30' (arc minutes) in size.
- open cluster
- naked eye (just barely)
- 16 25.6
- -40 40'
* The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.
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