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M81 - Spiral Galaxy

 

 

 

 

 

 

 

 

 

 

 

 

  Object Spiral Galaxy (M81), in Ursa Major
  Telescope (Photo) Celestron 8" SCT OTA @ f/6.3 on Losmandy G11 Mount
  Telescope (Guiding) Televue 85mm refractor @ f/5.6 on Losmandy G11 Mount
  Camera (Photo) Canon 20Da DSLR
  Camera (Guiding) Meade DSI Pro II w/PHD Guiding
  Exposure Detail Combination of 20 images at 300 seconds each, ISO1600; RAW file conversion, full calibration (bias, flat, dark, and flat dark), and image processing using PixInsight 1.8.9
  Location Private Property at Chiefland Astronomy Village, Florida
(N29.406, W82.860)
  Date 03/22/09 (reprocessed 07/11/2024)