I made a quick tutorial video on Photographing and processing the Orion Nebula (M42). I dont go into great detail on the processing steps, aside from exactly what I did to go from the beginning to the end. I used Nina to acquire the images and then processed using PixInsight and the various steps.
Equipment used was
Celestron EdgeHD 11″ SCT
iOptron CEM120 Mount
Asi 294MC Pro Camera
L-Pro 2″ Filter
Starizona Filter Drawer
Svbony 60mm Guide Scope
Asi 290MM Guide Camera
Nina
PixInsight