M27, M17, M8 and North America nebula in H-alpha

  • Telescope: achromatic refractor 80 mm (f6) with Off Axis Guider
  • CCD Camera: Meade DSI PRO III with H-alpha filter (7 mm)
  • Mount: Skywatcher Heq5 Goto
  • Integration: 17-25 x 8 min
  • Date, Location, Temp/Software: August 2009, Rosignano (Italy), 24°C/PixInsight, Photoshop

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