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You're getting some good advice here. I haven't used the PHD2 drift align tool but the guiding graph does show a trendline just like the Pempro one does.
Just as a point though, I have used Pempro polar alignment wizard a few times (especially when TPoint was having trouble with plate solving etc, it doesn't like some cameras like the SX Trius694 for example).
Tpoint polar alignments using the accurate polar alignment button has always been more accurate and gave better guiding.
Additionally, not really relevant for a temp setup, but if you have a decent Tpoint model you can activate tracking corrections using Protrack and you can find sometimes it makes the difference between slightly eggy stars and round ones. It corrects for the slow flexes and autoguiding corrects for the PE errors.
Greg
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