Distance 55.5 MLy, in the constellation Cancer

Telescope configuration: Celestron EdgeHD 1100 with the Celestron 0.7x focal reducer (fl=1960mm, f/7.0). Camera: SBIG STF8300M. Exposures: 3 @ 5 min., 1 @ 10 min. CCD temp -5c.
Image capture scale: 0.56 arc-sec/pixel (un-binned). Field of view (horizontal) = 15.7 arc-min. Image capture using Software Bisque TSX Pro Camera Add On.
Mount: Orion HDX110 German equatorial mount. Autoguided with an SBIG Sti autoguider, a Celestron OAG (off-axis guider) and a Starlight Xpress SXV-AOLF (Adaptive Optics Large Format) device using PHD2 autoguiding software, not dithered.
Post processing: ImagesPlus 6.5: FITS conversion, alignment, stacking/combining using 0 dark frames, 0 bias frames and 0 flat frames, Sigma Clipped Median Combined factor 2.55, Auto-stretched, DDP, no color adjustments. Micro Curves, Noise reduction, Adaptive Richardson-Lucy deconvolution (sharpening) in ImagesPlus 6.5. One pass unsharp mask and cropped to final dimensions in ThumbsPlus10.

20160302_NGC2775_CombSigMed-IPddpadj-TPadj.jpg