The northern and eastern portions of SP; north is to the top. Upper left panel: panchromatic image of SP; arrows point to representative convection cells. Upper right panel: color image of SP; the direction of north is shown, along with a scale bar in each of these panels. Lower left panel: geological map (from O. L. White et al. 2017); a scale bar as a function of latitude is shown to the lower left; the red rectangle box here indicates the region where the upper panels lie. Lower right panel: inset taken from the red boxed area in the upper left panel showing convection cells and call outs for a typical diffuse dark apron (DDA) and a typical dark, narrow feature (DNF).