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NGC 6531   Open cluster
  M21

Constellation: Sagittarius

Coordinates (2000.0):
Right Ascension:
18h 04m 13.0s
Declination: -22° 29' 24.0"

Magnitude: 5.9

Size (arc min): 13.0

Discoverer:
Date of discovery:

Dreyer's description: Cl, pRi, lC, st 9...12

Image credit: Digitized Sky Survey - Image Field of view: 10 arcmin
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© Davide De Martin (2005-2011). We welcome comments.