I first processed this data a year ago and while the RGB version wasn't too bad the HaRGB was truly awful. I have done a repro using my improved PI chops and I'm a lot happier with it this time. Of course, I may be horrified by this version too in a years' time
Scope: Ceravolo C300 @ f/9 = 2760mm FL, Atlas focuser
Mount: AP900
Camera: U16M
Filters: Astrodon E series Gen 2 LRGB, 3nm HA, OIII, SII
Guiding: Lodestar / MMOAG
Image scale: 0.67 arcsec/pixel
Exposures: 58x1800s Ha, 7x900s R, 7x900s G, 8x900s B (29 + 5.5 hrs)
Processed in PixInsight.
High res version on Astrobin:
http://www.astrobin.com/126037/
RGB version is here:
http://www.astrobin.com/125623/
Cheers,
Rick.