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ST-8300M Camera First Light:  Spiral Galaxy M51













  Object ST-8300M Camera First Light:  Spiral galaxy "The Whirlpool Galaxy" (M51), in Ursa Major
  Telescope (Photo) Celestron 8" SCT OTA @ f/6.3 on Losmandy G11 Mount
  Telescope (Guiding) Meade ETX 90mm @ f/13.8
  Camera (Photo) SBIG ST-8300M (Monochrome)
  Camera (Guiding) Meade DSI Pro III w/ PHD Guiding
  Exposure Detail Excluded-average combination of 20 images at 60 seconds each (captured using MaximDL 5.7), partial calibration (bias, dark), and initial image processing using ImagesPlus 3.82; final image processing using Photoshop CS3
  Location Home - Warren County, OH (N39.451, W84.200)
  Date 4/30/10