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TheSky sky map.
How accurate is the sky map in TheSky? I've noticed lately that my plate solved images are slightly off with the thesky. I'm looking at ngc-6164 and plate solving in maxim. Aligning to the sky puts the object high and right so I figured I'd solve and align to the central star, HD 148937. It is also off. I put some cross hairs on the maxim image, centered the star, plate solved and synced and this is the image from the sky.
What's wrong here? Simply errors in location co-ordinates?
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