Following this thread closely, goto accuracy on startup/wake up should not be an issue. Make sure you're not "eye-balling" each alignment star though. I'm assuming you're not doing this anyway if you've used PolarAlignMax to plate solve (i.e. to find the precise coordinates of a given image center). eye-balling is fraunt with danger as you will not produce consistant enough pointing. Automate building the pointing model using your camera (DSI). You may even find that you're already under 1 arcmin from the pole. If you find your mount does drift causing the inconsistencies, its very easy to slew and sync on startup with a quick plate solve.
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