Top panel: Metis tB image of the solar corona, captured on October 12, 2022, at 10:17:02 UT, after subtracting the minimum background image (field of view: 1.76–3.10 R_⊙). Bottom panel: Running-difference image of the same frame as reported in the top panel. The three angular sectors are labeled A, B, and C. The associated movies of the full frames of the Metis observation sequences (background subtracted and running differences) are available online.