Messier Index/M68

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Messier 68
Messier 68 Hubble WikiSky.jpg
M68 from w:Hubble Space Telescope; 3.32′ view
Credit: w:NASA/w:STScI/w:WikiSky
Observation data (w:J2000 epoch)
Class X
Constellation Hydra
Right ascension 12h 39m 28.01s[1]
Declination -26° 44′ 34.9″[1]
Distance 33.3 kly[citation needed] (10.2 kpc)
Apparent magnitude (V) +9.67[1]
Apparent dimensions (V) 11′.0
Physical characteristics
Mass - kg (- M)
Radius 53 ly[2]
Estimated age 11.2 Gyr
Notable features Relatively metal poor.[citation needed]
Other designations M68, NGC 4590, GCl 20[1]

Messier 68 (also known as M68 or NGC 4590) is a w:globular cluster in the w:Hydra constellation. It was discovered by w:Charles Messier in w:1780. M68 is at a distance of about 33,000 w:light-years away from w:Earth.

External links


  1. a b c d "SIMBAD Astronomical Database". Results for NGC 4590. Retrieved 2006-11-17. 
  2. distance × sin( diameter_angle / 2 ) = 53 ly. radius