Mosaic map made by the image hyb2_onc_20180831_112719 with phase angle of 40.4° and the image hyb2_onc_20180907_092745 with phase angle of 16.0°. Both images were acquired in the v band. Top: images without any photometric standardization. Middle: same mosaic after photometric standardization to (i,   e,   α) = (30°,  0°,  30°). Top and middle panels: scaled from 0 to 0.027. Bottom: reflectance profile along the red lines in the top and middle panels.