One final Tweak - The final result

A little tweak further to remove a little of the red cast and gradient in the image and I've ended up with this:



I'm very, very pleased with that. I never thought I'd be able to pull something like that together with my little f5 Achro frac on an AltAz mount, with my somewhat meagre processing skills, but there we go. Thanks to those who wrote the tutorial and provided me with little pointers here and there.