Robby, I won't get field rotation because it's not alt/az, it's EQ. Drift will depend on how accurately I've aligned it.
I spent a fair bit of time that night making sure the platform was aligned. Some of the shots to come next week was shot at 37mm for 122s, and even at full resolution there's only a tiny bit of evidence of star trails.. when it's reduced it won't be noticeable.. unfortunately though the lens lets it down around the edges with the shape of stars getting quite distorted..
Steve, i'll post a larger version next week.
Thanks for the comments.
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