Polarized scattering phase function of the northern (pink) and southern (blue) part of the ring as a function of scattering angles. The solid black line shows the analytical SPF with g = 0.92 and the shaded area represents the analytical best-fit SPF with g = 0.65 ± 0.08. The best fit to the spectrum with Mie grains is shown as a violet line. All plots are normalized to the maximum value of pSPF at the scattering angle of 43.8°.