(Top panel) Continuum-subtracted Hα image of NGC 5630, see the top-right panel caption of Fig. 7 for details. Here we show the positions of two slits. (Center panels) Flux at the Hα wavelength along the two slits, shown as a function of the distance from the SN location and from the nucleus. See the top-left panel caption of Fig. 7 for details. (Bottom panel) Metallicity gradient of NGC 5630, see the bottom-panel caption of Fig. 10 for details.