The clear weather tonight allowed me to test a new toy and after considerable tweaking I finally got the beastie to behave reasonably well.
..and oh no! M42! but it was in the right spot...and I also realised I haven't really done a decent M42...so what the heck...
Decided to present it au naturale' (in H-Alpha)
...no fancy filters, de-con, noise reduction or anything really...just some gamma scaling.
Link is here