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Fig. 6

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Perspective shifts measured between the continuum and images at four line levels as function of 1 − μ in the northern hemisphere, and − (1 − μ) in the southern hemisphere. Upper panel: results for the Fe1 630.1 nm line. Lower panel: results for the Fe2 630.2 nm. Red dots: line centers (level 1), light -blue dots: level 5, orange dots: line level 10, deep-blue dots: level 15.

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