Messier 103 - Open Cluster in Cassiopeia
Open Cluster Messier 103
  • Description: Open Cluster Messier 103 in Cassiopeia. Air was turbulent this night giving soft images. M103 (NGC581) is a compact group of 25 stars in an area 6 arc minutes across. Magnitude 7.4.

  • Camera: SBIG ST-10XME at -10C
  • Filters: AstroDon Gen 1 Luminance filter
  • Scope: TMB-175 Refractor (7" f8.2 triplet)
  • Exposure: 10 x 2 minutes per colour
  • Location: Alberta Star Party at Starland Recreation Area, Alberta.
  • Date: September 23, 2011
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