M27 (Dumbell Nebula) in Vulpecula

Updated : 15 November 2005.

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m27-240-sgclpha_DDP_SZ_IP_PS_crop_col.jpg (350 kB)

  • CCD : STL11000 ABG
  • Exposure time : 240 min (15 min individual images)
  • Date and Time : 08. and 13 November 2005
  • Instrument : 40cm @ f/8
  • Focal length : 3260 mm
  • FWHM : about 3 arcsec
  • Filters : Astronomik 6nm H-alpha filter
  • Image processing : Imageplus (DDP, Star size, Noise reduction, Background comp) and Photoshop (color action)
  • Problems/comments : Second outer shell visible. Imaged at my backyard, Mol, Belgium.

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