M12 (Globular cluster)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 11 arcminutes across.

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From Cambridge , M12 is not observable – it will reach its highest point in the sky during daytime and is no higher than 9° above the horizon at dusk.

Name M12
Object type Globular cluster
Other names
M12[2]
NGC 6218[3]
Mel 151[4]
Position
Right ascension:16h47m [3]
Declination:−01°56' [3]
Constellation:Ophiuchus
Magnitude:6.10 (V) [4]
8.52 (B) [3]
Distance:4.9 kpc
16.0 klyr [1]
B-V Color (mag):2.45
Derived quantities
Absolute mag (V):-7.35
Events
03 Jun 2025  –  Messier 12 is well placed
03 Jun 2026  –  Messier 12 is well placed
03 Jun 2027  –  Messier 12 is well placed
03 Jun 2028  –  Messier 12 is well placed
03 Jun 2029  –  Messier 12 is well placed
03 Jun 2030  –  Messier 12 is well placed
03 Jun 2031  –  Messier 12 is well placed
03 Jun 2032  –  Messier 12 is well placed

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