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Messier 55
Messier 55 Summer Rose Star
Credit: NASA, ESA

M55 (NGC 6809) - Summer Rose Star

Messier 55 (NGC 6809), also known as the Summer Rose Star, is a globular cluster located in the constellation Sagittarius, in the Galactic Center of the Milky Way Galaxy in the Local Group of galaxies. M55 is 17,600 light years away from Earth.

M55 is best viewed during late summer, is magnitude 7.4, and can be viewed with binoculars. M55 is 19' in apparent size. For reference, the full moon is 30' (arc minutes) in size.

      1. Name:
      2. Summer Rose Star
      1. Type:
      2. globular cluster
      1. NGC or IC:
      2. NGC 6809
      1. Magnitude:
      2. 7.4
      1. Viewing:
      2. binoculars
      1. Size:
      2. 19'
      1. Distance (light years):
      2. 17,600 LY
      1. RA:
      2. 19h 40.0m
      1. Dec:
      2. -30 58'
      1. Season:
      2. late summer
      1. Milky Way location:
      2. Galactic Center
      1. Galaxy group:
      2. Local Group

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