Thanks Mardy and Alistair for your supporting messages, it is much appreciated.
I connected a laptop running MaximDL directly to the QHY8L and exposed 10 x 5 minute images and everything worked perfectly! Temp set at -15 remained stable. The results of the exposed images? No Amp Glow at all!
So I'm beginning to think there are issues with the original Windows 7 build on my PC?
The attached image is a single 5 minute exposure, rough process in CS3. The was taken inside the ob's whilst still light outside hence the halo.
It needs further investigating.
Paul
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