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M31, the Andromeda Galaxy.  28 frames, 2 minutes each,  at ISO 1600 with an unmodified Canon Digital Rebel.  Guided
  with a video camera (Supercircuits PC164C) and a video-to-usb converter using K3ccdtools3.  Photographed with a
  William Optics Megrez 80mm fluorite doublet and a TeleVue field flattener.  Guide scope:  Meade LX200GPS 10-inch
  scope at f/6.3. Four dark frames were averaged. Processed in Photoshop CS and Neat Image.