Actually Matt, I already know wot this C9.25 is capable of, it's my seeing thats letting the team down.
I've had the thing out with the cooler going since sundown. Very little star twinkle. 8/10. I'm almost ready to play Mr. Ponders.

Time for a spot of collimation before proceedings begin though.
BTW I thought I'd better 'keep up with the times' & teach myself all about this LR convolution etc etc in astra image, so I've been doing that most of the day. Yup! I can see benefits coming from it