That is a really cool image. I take my hat of to you.
I'm planning to source a filter wheel and filters shortly and would welcome any comments on Steve's question (as I was just sitting down to ask a question in this general area when I found Steve's post). Would I be correct in assuming that filters that are best for true-colour imaging split the visible spectrum such that (ideally) there is no over-lap and no gaps?
I know didly squat about colour imaging (actually I don't know too much about monochrome imaging either).
Mark