AIA and HRI_EUV images registered on 30 May, 2020 near 14:58 UTC. The panels show the real AIA 171 Å image (left), a zoomed-in view of the AIA region (middle), and the re-projected HRI_EUV image (right). In the left panel, the zoomed-in view and the HRI_EUV FOV are denoted by the outer white square and the color curve. The inner white square in the left panel and white squares in the middle and right panels denote the region used in the mutual DEM analysis.