• Constellation: Canes Venatici
  • Right Ascension: 13h 42m 11.62s
  • Declination: +28°22’38.2”
  • Distance: 33,900 ly

Messier 3 is one of the largest, brightest globular cluster in the night sky. It contains an estimated 500,000 stars. Located in the constellation of Canes Venatici at a distance of 33,900 light years away from Earth. The cluster contains more than 274 variables stars, with most of them being the RR Lyrae type of variable.


  • Telescope: EDT 80mm Reftactor
  • Camera: ZWO A071 Color