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Hi Darren,
I agree, top effort for the first go.
As for the Chromatic problems on Jupiter, I think this is a slight miscollimation of the primary mirror on your reflector (sorry Daniel, its not a refractor)
I had exactly the same issue with my 5" reflector and found that some VERY small adjustments of the primary mirror alignment with the focuser wound ALL the way out on Jupiter allows me to place the shadow of the secondary EXACTLY in the centre of the light ring around the secondary.
What I do is focus on Jupiter, then wind out the focus tube all the way until I see a REALLY big light donut with the secondary spider vanes visible. This should show you if the secondary looks directly in the middle of the primary or not. Some very slight (and I mean MINUTE) adjustments of the Primary mirror until the centre shadow is right in the middle should fix this up for you. Keep returning to focus and check periodically, DONT do this with your barlow in, because most barlows generate some sort of colour abberation unless they are super expensive like a televue.
Give that a go, once you get the hang of it, any future fine tuning is a doddle.
Cheers
Chris
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