The QHY8 and 12" Newt is working a treat Clive. The info you provided made an interesting read.
You're not the only "luddite" I managed to accidently delete at least half a dozen folders with processed images last week grrrrrrrrrrr
So back to the drawing board. Have to reprocess them so as we have full res versions again.
Luckily David keeps all his original data from the camera on his computer
Barb