Heights of individual pixels of campfire 15. Left panel: heights of pixels marked with colored circles in the top panels of Fig. 7, together with the height of the whole campfire triangulated starting from the HRI_EUV data (as reported in Fig. 6) shown with the orange cross. Middle panel: heights of individual pixels marked with colored triangles in the middle panels of Fig. 7, together with the height of the whole campfire triangulated starting from the SDO/AIA data shown with the orange cross. Right panel: heights of points marked with colored crosses along the epipolar line shown in the bottom panels of Fig. 7. In all panels, the horizontal dashed line marks the average of individual pixels.