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Messier Catalog M17

M17 (NGC 6618) - Omega- Swan- Horseshoe Nebula

Messier M17 (NGC 6618), also known as the Omega- Swan- Horseshoe Nebula, is a diffuse nebula located in the constellation Sagittarius, in the Sagittarius Arm of the Milky Way Galaxy. in the Local Group of galaxies.

Messier M17 is best viewed during late summer, is magnitude 7.0*, and can be viewed with binoculars. It is 11' in size. For reference, the full moon is 30' (arc minutes) in size.

      1. Name:
      2. Omega- Swan- Horseshoe Nebula
      1. Type:
      2. diffuse nebula
      1. NGC:
      2. 6618
      1. Magnitude (m):
      2. 7.0
      1. Viewing:
      2. binoculars
      1. Size:
      2. 11'
      1. RA:
      2. 18h 20.8m
      1. Dec:
      2. -16 11'
      1. Season:
      2. late summer
      1. Milky Way location:
      2. Sagittarius Arm
      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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