Distance 11.4 mly. North is up, east to the left.
Telescope configuration: Celestron EdgeHD 1400 with the Celestron 0.7x focal reducer (fl=2737, f/7.7).
Camera: Canon EOS 6D unbinned, IR modified, ambient temperature ~65F. 7 - 8 minute exposures at ISO 1600. Image scale: 0.49 arc-sec/pixel. Image capture ImagesPlus 5.75 Camera Control.
Mount: Software Bisque Paramount MX with PEC and ProTrack enabled. Autoguided with an SBIG Sti autoguider, a Celestron OAG (off-axis guider) and a Starlight Xpress AOLF (Adaptive Optics Large Format) device using PHD2 autoguiding software.
Post processing: ImagesPlus 6.0: Calibration, alignment, stacking and DDP using 0 dark frames, 7 bias frames and 7 flat frames, followed by color balance, color saturation, noise reduction, Adaptive Richardson-Lucey deconvolution (7x7 by 7 passes), curves and adjusted color scaling in Nebulosity3. Cropped, rotated +90 deg, one pass unsharp mask and resized to 50pct in ThumbsPlus7.
20150310_M82_CombExcAvg-IPddpadj-NEBclr-TPadj.jpg