thanks guys, I processed another avi from earlier in the night when the seeing was not as good - less fine detail, but perhaps more pleasing colour

. I just ran an unsharp mask on this...all of a sudden seem to be having problems with the deconvolution in Astra Image seeming to over-expose during the process (must have hit some setting?).
Might have to try a virtual dub frame cull on the previous avi and see what that does.
Anyway here it is