Fig. 4.
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Overview at EUV and UV wavelengths. AIA 131 Å filtergrams over the course of the flare on October 11, 2021 (top) and AIA 1600 Å filtergrams (bottom). Red contours in the top middle panel show footpoint locations derived from the AIA 1600 Å base difference image shown in Fig. 5. Units are given in arcseconds. An animated version of this figure is included online.
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