Messier 25 :
open star cluster
Messier 25 is a open star cluster located in the constellation Sagittarius . Messier 25 is magnitude 4.60*, and is 30' in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size.
- Name:
- Messier 25
- Type:
- open cluster
- Magnitude (m):
- 4.60
- Size:
- 30'
- Right Ascension:
- 18h 31.7m
- Declination:
- -19° 07'
- Constellation:
- Sagittarius
- Messier #:
- M25
* One can see up to magnitude 7-8 objects with perfect eyes under ideal dark sky conditions.
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