Zoom on the SE (left) and NW (right) cold fronts with the regions used for spectral and imaging analysis. The magenta region in the right panel has been used for deriving the global properties of the NW cold front (Sect. 3.2), the white region for the azimuthal extent surface brightness (thin lines) and temperature (thick lines) analysis (Sect. 3.2.1). The IN and OUT sector for the SE cold front are centered at (RA, Dec) = (15:58:40, +27:10:12.6); the elliptical sectors used for the NW cold front are centered at (RA, Dec) = (15:58:21, +27:13:41).