Honestly speaking, from many discussions, it is very clear that a mono camera with filters specially narrowbanding filters is no doubt the best choice, color is nice, but always there is something about OSC camera, while with mono cooled camera and filters it is like a reliable choice, even in light pollution urban.
I live in a light pollution area, and my house covering the south part of the sky unless the target is very high in the sky, i shoot from my yard, could be better condition than yours, but still not a good condition and i don't drive to any dark sites, and i am a beginner, but i bought a mono camera with filters and i could see the results immediately, color cameras could be better in a part of that you don't have long processing time as with filters and combining, and color is like already RGB combined, that is why some can save time in processing with colors, but if you really look for pure color quality then a mono camera with filters, and i am sure some will come and defend the OSC too.