Nice pics, thanks
I guess it's one of those things that could vary slightly due to the QE of different cameras and transmittance of the filters
Looking at the bandpass profile of the ZWO filters I'm using, OIII is squarely in the green filter, which explains why it's strongly green. Looking at my exposures, the green:blue is about 2:1.
Any suggestions on a nice set of RGB filters that would give me good ol' teal/turquoise/insert shade here* ? Oh, and inexpensive