Sorry for the delayed response, I’ve never used my Paramkunt with PHD2 other than under Windows, but I did use the excellent built in guider from Ekos, so see no reason why you wouldn’t just use that?

But thinking about the core problem, because things should just work, make sure you’ve got DirectGuide enabled and aren’t using the old ST4 style guiding, that’s the first thing that comes to mind.

Happy to,do a TeamViewer session and do some debugging if you like.

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