IC4604 in Ophiuchus

Updated : 07 December 2004.


Click on image to get larger size (2000x1333, automatic resize in Internet Explorer)
rhoophi_30-30-30-30sgclpLRGB_IP_DDP_PSred.jpg (610 kB)
  • CCD : STL11000M ABG 1x1 binning
  • Exposure time : 30:30:30:30 min LRGB (10 min individual exposures)
  • Date and Time : 12.08.2004
  • Instrument : Takahashi FSQ 106 f/5
  • Focal length : 530 mm
  • FWHM :
  • Filters : Astronomik LRGB filters
  • Image processing : sigma clip combine, darks, flat
  • Problems/comments : Further processing in Imageplus (LRGB combine, DDP) and Photoshop (levels and curves, gaussian blur unsharp mask). Very colorful and dusty region in Ophiuchus.
  • back home