Left panel: Slice of MUSE cube at λ ∼ 5400 Å for M84. The white spaxels indicate masked regions either representing dust or background/foreground sources. The superimposed coloured ellipses are the isophotes defined from the i images. The number of the regions is indicated. Right panel: MUSE spectra representing the sum of the flux for each elliptical annulus from the left panel. The grey shaded areas indicate the Hα + [NII] lines, while regions due to sky and telluric residuals are omitted. See text for more details.