Left: false colour image in filters F658N (Hα, cyan channel), F550M (V, yellow channel), and F814W (I, magenta channel) for the central part of NGC 5253 using the HST-ACS images (programme 10608, P.I.: Vacca). The area studied here is marked with a black rectangle. Right: ionised gas distribution as traced by the extinction-corrected Hβ map derived from a portion of the original FLAMES data. The position of the two main peaks of continuum emission are marked with crosses. The map is presented in logarithmic scale in order to emphasize the relevant morphological features and cover a range of 2.0 dex. Flux units are arbitrary. Note the existence of three dead spaxels at as well as absence of signal in the spaxels at the two left corners of the field of view.