Yes the core, the core, If you have a look see at my M42 it has the same problem. I have to come to grips with the dynamic range in the camera. You know gain and offset, the QHY8 is a great camera but takes a bit of work and I'm still getting use to it. Will post more details about exposure and what not. The standard of the site

, yes some of the members produce some of the best shots your ever going to see, but what a great place to learn.