Similar to Fig. 4, but converted to bidirectional reflectance (I/J) as defined in Hapke (1993) rather than reflectance factor. Vertical dotted lines indicate the two regions between 1425−1525 Å and 1700−1800 Å where little to no coma nor strong solar lines contaminate the spectra and are thus used to calculate the broadband flux averages in the phase dependence derivation.