Thanks both, I have heard sharpcap makes polar alignment super easy so I am going to try that for polar alignment.
I can get acceptable 30-40 second subs using the mount's PA routine with an illuminated eyepiece (the reticle insert is loose, so still having to use judgement I'm afraid).
But a pa problem would cause constant correction (as you've pointed out) rather than spikes? I have a steep learning curve.
Thanks again and clear skies.
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