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I have no view of SCP at both my imaging sites so I rely on the Skywatcher Synscan “polar alignment routine” which usually gives me a PA error less than 1 arc minute.I use BYEOS drift align tool to align my stars which works a treat.I bought a 3m curly cord so I can sit at my laptop table and use my Synscan handcontroller to star align and polar align. It usually takes anywhere from 15 minutes to half an hour. I have tried drift alignment but you need a fairly bright star close the meridian and celestial equator ( which may not be available all the time ) plus it can take a bit of time ( half an hour to an hour ) to get close PA
Cheers
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