NGC 6888 in Cygnus

Updated : 11 March 2005.

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n6888_135-60-60avflatHaSIIOIII144_DDP_IP_PScrop.jpg (1200 kB)

  • CCD : STL11000M ABG 1x1 binning
  • Exposure time : 60:135:60 min HaSIIOIII (15 min individual exposures)
  • Date and Time : 9. Sep. 2004
  • Instrument : 40cm @ f/3.3
  • Focal length : 1320 mm
  • FWHM :
  • Filters : Astronomik HA-SII-OIII filters
  • Image processing : average combine (ratio 1:4:4), darks, flat
  • Problems/comments : Further processing in Imageplus (DDP) and Photoshop. The imaging was done at my backyard in Mol, Belgium

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