IC 4756 :
open star cluster
IC 4756 is a open star cluster located in the constellation Serpens . IC 4756 is magnitude 4.60*, and is 40' in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size.
- Name:
- IC 4756
- Type:
- open cluster
- Magnitude (m):
- 4.60
- Size:
- 40'
- Right Ascension:
- 18h 39.0m
- Declination:
- -05° 27'
- Constellation:
- Serpens
* One can see up to magnitude 7-8 objects with perfect eyes under ideal dark sky conditions.
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