Thanks guys, yes tried Siril last night. First time using it and it gave much better results than DSS when using the L-Enhance but using the normal IR cut DSS did better than Siril. Go figure
I did not realise the FITS preview was stretched thanks for that info, I assumed it was like my CR2 files from my Canon.
Looks like I need to learn to split some channels, here comes Dr Google
Thanks Heaps, still glad I moved up from DSLR but much to learn.
Clear Skies