[M21 image]

NGC 6531 = M21

Open star cluster in Sagittarius

Dreyer's description: Cl, pRi, lC, st 9...12; = M21

Cross Identifications: GC 4367, h 1993. Bode 50.

  • More on NGC 6531 = M21 (SEDS)


    Right Ascension: 18 : 04.6 (hours : minutes)
    Declination: -22 : 30 (degrees : minutes)
    Distance: 4.25 (* 1,000 light years)
    Apparent Magnitude: 5.9
    Apparent Diameter: 13. (arc minutes)

    NGC Home < NGC 6530 | NGC 6532 > < M20 | M22 >

  • Digital Sky Survey image
  • Revised NGC/IC data
  • NGC/IC data
  • SIMBAD data
  • HST Archive images
  • NED data
  • Publications and References (ADS)
  • Observing Reports (IAAC Netastrocatalog)
    New search:

    Please type in the NGC number (number only, or preceded by "N" or "NGC") or the IC number preceded by "I" or "IC", or the Messier number preceded by "M".


    Enter your Catalog Number:

    Hartmut Frommert [contact]

    [Spider] @ [SEDS]