[John W (John Wilkinson)]

Reply to Silv,
My photographs are taken in a very different way to what you are trying. My telescope has a special H alpha filter so it is taking shots in a very narrow bandwidth at a single wavelength. What you are doing is using a very very wide bandwidth - you will never get any pics of the prominences or surface detail with what you are doing. Suggest you get some books on the subject.
Cheers, John W.