Mirko,
That's a great White Light image.
The detail in the sunspots is excellent, infact I think your seeing would allow the use of a barlow and push up to f25 for close and personal images of the AR's.
Well done, mate.
Thanks guys, yes I was quite impressed with the visual view so decided to hook the camera up.
Ken, I did actually try an 1.8x barlow and the 174 but the result basically looked exactly the same as a crop from the full disk image. Part of that will be due to the 174's larger pixels but not all of it. There was no time to try anything else though before the cloud rolled in.