M17 in Sagittarius

Updated : 18 December 2004.

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m17_15-15-15RGB_DDP_IP2_PSred.jpg (250 kB)
  • CCD : ST10XME NABG 1x1 binning
  • Exposure time : 15:15:15 min RGB (5 min individual exposures)
  • Date and Time : 19. Aug. 2004
  • Instrument : C14 f/7
  • Focal length : ca 2500 mm
  • FWHM :
  • Filters : SBIG RGB filters
  • Image processing : average combine, darks
  • Problems/comments : Further processing in Imageplus (RGB combine, DDP) and Photoshop (levels and curves). Problems with focussing.

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