Thanks for the valuable tips Paul. I use a similar process, although I don't have the motorized focuser. But I do know (approx.) where the different focuser length needs to be for each barlow/powermate. One thing you have remided me about though is perhaps to offset my telrad so the planet lines up with one of the 12, 3, 6 or 9 o'clock gaps in the inner telrad ring rather than where I have it at the mo - roughly centered (but often there is no planet on my laptop screen). So better use of the telrad may help.
Thanks
Steve
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