The final image looks very nicely colour balanced Peter. It's an area known for its dust and reflection nebulosity though, neither of which are visible through NB filters, I know there is a little Ha in a few areas...but Im intrigued to know why you decided to collect the OIII and SII
I'm struggling to see where the three NB channels have accentuated or added to the nebulae, what are your thoughts?
Mike