Medusa Nebula in Gemini

Updated : 22 Februry 2007.

Click on image to get larger size image (full res).
PK205_medusa_255-75-45-72-sgclpRGBflat_DDP_Sat_SZ_IP_PS.jpg (2500 kB)

  • CCD : STL11000 ABG
  • Exposure time : 255:75:45:72 min LRGB (15:9:18 min RGB 2x2 binned, L 1x1)
  • Date and Time : several night in February 2007
  • Instrument : 50cm @ f/8.4
  • Focal length : 4195 mm
  • FWHM : about 2.5 arcsec
  • Filters : SBIG LRGB filter
  • Image processing : Imageplus (Color combine, DDP, Saturation), Registar (registering) and Photoshop (Levels, Curves)
  • Problems/comments : Remotely imaged at New Mexico, USA in collaboration with K. Levin.

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