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Something completely different
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nigelswift
8112 posts

Re: Something completely different
Apr 21, 2005, 12:46
Accuracy is determined by the narrowness and length of the opening. If it's thin and long you can get a Knowth effect that suddenly switches on and lasts about 2.5 minutes in one spot and then switches off (being the travel of the sun across it's own diameter at midday - maybe twice as long early or late in the day). I guess that's the limiting factor to accuracy. (Although I think you can track a shadow more accurately).
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Re: Something completely different (greywether)		 Replies:
A different sort of accuracy (greywether)
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