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Spiral Galaxies M81 / M82














Galaxies (M81 at right and M82 at left), in Ursa Major

  Telescope (Photo) Celestron 11" EdgeHD SCT OTA with Hyperstar @ f/2 on on Losmandy G-11 Mount
  Telescope (Guiding) Astro-Tech 72mm Refractor @ f/15 on Losmandy G11 Mount 
  Camera (Photo) Canon 60Da DSLR Camera using ImagesPlus 5.0 Camera Control
  Camera (Guiding) SBIG ST-i w/PHD Guiding
  Exposure Detail
Excluded-Average combination of 21 images , ISO1600; RAW file conversion, full calibration (flat, dark, bias, flat-dark), and initial image processing using ImagesPlus 5.75; final image processing using Photoshop CS5.1
  Location Cincinnati Astronomical Society's Dark-Sky Site (Adams County, Ohio) (N38.876, W83.464)
  Date 05/31/2014