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Star Cluster

NGC 6638 :
globular star cluster

NGC 6638 is a globular star cluster located in the constellation Sagittarius . NGC 6638 is magnitude 9.02*, and is 7.15' in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size.

      1. Name:
      2. NGC 6638
      1. Type:
      2. globular cluster
      1. Magnitude (m):
      2. 9.02
      1. Size:
      2. 7.15'
      1. Right Ascension:
      2. 18h 30m 56.10s
      1. Declination:
      2. -25° 29' 50.9"

    * One can see up to magnitude 7-8 objects with perfect eyes under ideal dark sky conditions.



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