[M4 image]

NGC 6121 = M4

Globular star cluster in Scorpius

Dreyer's description: Cl, 8 or 10 B st line, with 5 st, rrr; = M4

Cross Identifications: GC 4183, Lac 1. 9. deCh 19, Bode 31; BAC 5455.

  • More on NGC 6121 = M4 (SEDS)


    Right Ascension: 16 : 23.6 (hours : minutes)
    Declination: -26 : 32 (degrees : minutes)
    Distance: 7.2 (* 1,000 light years)
    Apparent Magnitude: 5.9
    Apparent Diameter: 26.3 (arc minutes)

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