Lagoon (M8) and Trifid (M20) nebula in Sagittarius

Updated : 8 September 2004.

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m8-20_30-30-30-30avflatHaL(HaR)GB_DDP_IPalign.jpg (1370 kB)
  • CCD : STL11000M ABG 1x1 binning
  • Exposure time : 100+30:100+30:30:30 min HaL(HaR)GB (10 min individual exposures)
  • Date and Time : 11.+20.+21.08.2004
  • Instrument : Takahashi FSQ 106 f/5
  • Focal length : 530 mm
  • FWHM :
  • Filters : Astronomik RGB and H-alpha filters
  • Image processing : average combine, darks, flat
  • Problems/comments : Further processing in Imageplus (LRGB combine, DDP) and Photoshop (H-alpha blending.

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