Fig. 7
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Comparison of real HRIEUV image taken on 29 March, 2023 (left) and a simulated one (middle) calculated using DEM. The histograms are shown in the right panel. There was no need to introduce the additional cross-calibration factor k for this date. In the dark rectangle of the image, the signal was normalized by ×0.33 for visualization purposes. An animated comparison is available online.
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