Fig. 8.
Image of Hα at nominal line center overplotted with the horizontal magnetic field directions (orange arrows) at the formation height. The arrows are plotted every 30th grid point. The visibility of Hα fibrils is artificially enhanced using unsharp masking. The blue and red lines indicate two slices along selected fibrils illustrated in Figs. 9 (blue) and 10 (blue and red).
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