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Fig. 1.


Top left: SDO/AIA He ii 304 Å image with an overplotted rectangle marking the full FOV of the CRISP observations. Top right: co-temporal full FOV CRISP Hα line centre sample image with an overplotted rectangle marking the ROI. The bottom two rows show the ROI in the seven different wavelengths along the Hα and the Ca II 8542 Å profiles, while the overplotted yellow circle in the line-centre Hα panel indicates the location of the analysed conspicuous vortex flow.

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