Close-up of Ahuna Mons and associated spectra. Ahuna Mons is 17 km-wide. All the images use a spherical projection with a field of 4.8° by 4.8° and have thesame orientation. (a) Framing Camera clear filter image from the LAMO mission phase; (b) VIR S_405−465nm; (c) VIR S_480−800nm with indication of the regions of interest where spectra of panel e have been extracted; (d) VIR S_800−950nm; (e) spectra from the regions of interest of panel c normalized at 550 nm.