M5

  
 
 
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  • RA: 15:18.6
  • Dec:  +02:05
  • Magnitude: 5.6
  • Size: 23.0 arc min
  • Distance: 24,500 ly
  • Constellation:  Serpens
  • Scope: 8" SCT at f/10
  • Autoguider: ST-4 faint mode
  • Sky conditions:  Very good seeing and transparency.
  • Camera: Hutech modified Canon 300D
  • Exposure: 30 x 1 minute
  • Date:  May 17, 2009
Comments:  M5 is thought to be one of the oldest globular clusters, with a computed age of 13 billion years.  Its diameter is about 165 light years, making it one of the larger globulars.  M5 is receding from us at about 52 km/sec.