Go-astronomy logo

Messier 25
Messier 25
Credit: NASA, ESA

M25 (IC 4725)

Messier 25 (IC 4725) is an open cluster located in the constellation Sagittarius, in the Orion Arm of the Milky Way Galaxy in the Local Group of galaxies. M25 is 2,000 light years away from Earth.

M25 is best viewed during late summer, is magnitude 4.9, and can be viewed with naked eye. M25 is 36' in apparent size. For reference, the full moon is 30' (arc minutes) in size.

      1. Name:
      1. Type:
      2. open cluster
      1. NGC or IC:
      2. IC 4725
      1. Magnitude:
      2. 4.9
      1. Viewing:
      2. naked eye
      1. Size:
      2. 36'
      1. Distance (light years):
      2. 2,000 LY
      1. RA:
      2. 18h 28.8m
      1. Dec:
      2. -19 17'
      1. Season:
      2. late summer
      1. Milky Way location:
      2. Orion Arm
      1. Galaxy group:
      2. Local Group

    * The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.