While it would be nice to have a dark sky at my observatory site...unfortunately 5 million other people in my neighborhood keep buggering it up....
This is not say sub-urban imaging is not possible. You just need to maximize
the signal to noise ratio....which, somewhat counter-intuitively, is what a larger aperture does.
Well, as per another thread, I've finally maxed-out the scope that will physically fit in the dome. The required tweaks are substantially done. The colour data will follow....but here is a lazy 90 minutes with the new 'scope.
The image link is here