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Lunchtime Sun Halo.

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John9929
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« on: August 20, 2008, 09:17:48 pm »

Thanks Roman, ask away no problem. It stands for Upper Tangent Arc, though the one in the image was quite straight instead of  the usual "winged" type. This link may be useful http://www.atoptics.co.uk/halo/column.htm
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