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Comparisons of eclipse paintings by Ken’ichi Fujimori for brightness (left); and processed images (right) of the same eclipse for polarised brightness. The top panel is for the eclipse of 1991 July 11 near sunspot maximum. The lower panel is for the eclipse of 2009 July 22 near the sunspot minimum. Images courtesy of Ken’ichi Fujimori and Miloslav Druckmüller.
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