Go-astronomy logo

Messier 50
Messier 50 Heart-Shaped Cluster
Credit: NASA, ESA

M50 (NGC 2323) - Heart-Shaped Cluster

Messier 50 (NGC 2323), also known as the Heart-Shaped Cluster, is an open cluster located in the constellation Monocerus, in the Orion Arm of the Milky Way Galaxy in the Local Group of galaxies. M50 is 2,870 light years away from Earth.

M50 is best viewed during winter, is magnitude 5.9, and can be viewed with naked eye (barely). M50 is 16' in apparent size. For reference, the full moon is 30' (arc minutes) in size.

      1. Name:
      2. Heart-Shaped Cluster
      1. Type:
      2. open cluster
      1. NGC or IC:
      2. NGC 2323
      1. Magnitude:
      2. 5.9
      1. Viewing:
      2. naked eye (barely)
      1. Size:
      2. 16'
      1. Distance (light years):
      2. 2,870 LY
      1. RA:
      2. 7h 3.2m
      1. Dec:
      2. -8 20'
      1. Season:
      2. winter
      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.