This is a blend of RGB and NB.
Details
RGB 20x4 min exposure for each. NB 20x16 min for NII and OIII.
Full res image 7MB
http://d1355990.i49.quadrahosting.co...MC_RGB+NB_.jpg
This was my first quick effort at processing. I may do better with more trial and error.
If there is any interest I will put up all the data for anyone to play with. I am sure there are others that could do far better than myself.
Bert