Rehashing over old data trying to improve upon it, thought I was making some serious headway until after I had virtually finished processing (just added the synthetic RGB stars), zoomed all the way out and realised that after my LRGB Combination I'd left a lot of rings around stars... Artefacts from star removal.
Getting late and I didn't want to start over again tonight so I figured I'd go HARD! So I did a rough global mask and hit the prawn with a reasonably hard green removal. WHAM! (trying to dial down the green rings around stars). Removing the green left a bit more noise (removing cleaner Ha signal, makes sense) so I did a pretty hard noise reduction. KABAM!
If it weren't for all those ringing artefacts I'd actually be quite happy with it... Minus some of the noise reduction. Given that I butchered it at the last minute, I'm happy with the result. Nice a SMOOTH
High Res