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True south app
can help with true south during day at anytime. All you need is a vertical shadow of some sort on a flat surface.
If you have an android device, download solar polar align app. It does not use compass.
Im my photo, if my grout are the shadow, then the sides of the phone are pointing to true south as well as the large lines. The top and bottom are at right angles so you can put a piece of wood and align your telescope legs against them.
You can also permanently mark the surface as well.
Regards
Kon
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