Fig. 4
SDO/AIA 304 and 335 Å images of the blob formation site before and after the flare. The plasma blob was formed above the arch filament (indicated by arrows) at the site of the emerging anemone-type loops. The AIA 304 Å image in the middle panel is overlaid with the HMI magnetogram contours of positive (white) and negative (black) polarities. The contour levels are ± 200, ± 500, ± 1000, and ± 2000 G.
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