Caldwell object C37 is a open cluster located within the constellation Vulpecula.
Caldwell C37 is best viewed during Fall, is magnitude 5.9*, and can be viewed with naked eye (just barely). It is 7° in size. For reference, the full moon is 30' (arc minutes) in size.
- open cluster
- naked eye (just barely)
- 20 12.0
- +26 29'
* The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.
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