M11 - Wild Duck Cluster

  
 
 
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  • RA: 18:51.1
  • Dec: -06:16
  • Magnitude: 6.3
  • Distance: 6,000 ly
  • Size:  14.0 arc min
  • Constellation:  Scutum
  • Scope: 8" SCT at f/10
  • Autoguider:  ST-4 in faint mode
  • Sky conditions:  above average transparency and seeing
  • Film: Griffin modified Canon 350XT ISO800
  • Exposure:  15 x 2 minutes
  • Date:  September 1, 2007
 
 
Comments:  The reshoot with a DSLR.   The Wild Duck Cluster is one of the richest and most compact of the galactic (open) clusters.  It contains an estimated 2900 stars, about 500 of which are brighter than magnitude 14.  The age of the M11 has been estimated at about  250 million years.