Glad you like it Colin.
The colour palette is not a straight HNO since I played a bit with curves - putting together Ha, OIII and NII in all possible combinations did not produce any pleasing colours and I resisted blending on this occasion.
I also slightly tweaked V2, mainly to darken background a notch:
https://www.astrobin.com/full/364378/E/?nc=user
Thank you for looking!
Suavi