Quote:
Originally Posted by [1ponders]
Nice Geoff 
Have you thought about getting one of the WO focal reducers and field flatteners? They work an absolute treat on those pesky stretched outer edge stars |
I have just got one, but haven't tried it yet. Actually, I think the elongated stars here are autoguiding problems. I think something must have been loose, because the image has drifted over the course of the one hour total exposure. This shouldn't happen (and usually doesn't).
Geoff