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Messier Objects

Messier M31 - Andromeda Galaxy

M31 (NGC 224), also known as Andromeda Galaxy, is a spiral galaxy located within the constellation Andromeda in the Local Group of galaxies.

M31 is best viewed during winter, is magnitude 4.5*, and can be viewed with naked eye. It is 178' in size. For reference, the full moon is 30' (arc minutes) in size.

      1. Name:
      2. Andromeda Galaxy
      1. Type:
      2. spiral galaxy
      1. NGC:
      2. 224
      1. Magnitude (m):
      2. 4.5
      1. Viewing:
      2. naked eye
      1. Size:
      2. 178'
      1. RA:
      2. 0h 42.8m
      1. Dec:
      2. 41 16'
      1. Season:
      2. winter
      1. Galaxy group:
      2. Local Group

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



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