MASC-3 Measured scattering matrix elements as functions of scattering angle (in degrees), corresponding to curves for MASC-3 at 488 nm presented in "Assessing the Effects of Composition and Surface Roughness on the Photopolarimetric Response of Planetary Regoliths", Francisco J. García-Izquierdo, Elisa Frattin, Julia Martikainen, Olga Muñoz, Alvaro Alvarez-Candal, Fernando Moreno, María Passas-Varo, Juan Carlos Gómez-Martín, Teresa Jardiel, Marco Peiteado, Amador C. Caballero, Gorden Videen, Johannes Markkanen, Antti Penttilä, and Karri Muinonen. The experimental errors are also given. DATA ARE FREELY AVAILABLE UNDER THE REQUEST OF CITATION OF: Francisco J. García-Izquierdo et al ApJS, 282 49, 2026 AND Munoz et al. JQSRT, 331, id. 109252, 2025. All F11(θ) curves are normalized to their corresponding albedo at 170º. theta(deg) F11 error -F12/F11 error F22/F11 error F33/F11 error F34/F11 error F44/F11 error 94 0.005 0.001 0.424 0.128 0.719 0.146 -0.335 0.028 0.071 0.061 -0.351 0.077 96 0.007 0.001 0.396 0.090 0.731 0.114 -0.361 0.107 0.141 0.100 -0.368 0.121 98 0.010 0.001 0.448 0.069 0.740 0.092 -0.405 0.036 0.040 0.066 -0.424 0.053 100 0.012 0.001 0.471 0.072 0.777 0.083 -0.401 0.084 0.068 0.071 -0.371 0.061 102 0.015 0.001 0.448 0.058 0.747 0.071 -0.510 0.071 0.086 0.081 -0.437 0.080 104 0.016 0.001 0.367 0.019 0.738 0.025 -0.511 0.048 0.042 0.067 -0.480 0.047 106 0.019 0.001 0.372 0.029 0.743 0.049 -0.549 0.062 -0.001 0.042 -0.476 0.048 108 0.020 0.001 0.394 0.009 0.776 0.013 -0.565 0.040 0.034 0.030 -0.501 0.047 110 0.022 0.001 0.345 0.037 0.747 0.046 -0.579 0.029 0.026 0.049 -0.486 0.037 112 0.024 0.001 0.330 0.017 0.771 0.022 -0.601 0.043 0.029 0.041 -0.577 0.036 114 0.026 0.001 0.363 0.026 0.781 0.038 -0.558 0.043 0.007 0.017 -0.576 0.052 116 0.027 0.001 0.313 0.021 0.774 0.026 -0.642 0.041 0.033 0.032 -0.596 0.039 118 0.031 0.002 0.260 0.014 0.760 0.019 -0.702 0.045 -0.019 0.035 -0.582 0.024 120 0.031 0.001 0.278 0.015 0.771 0.028 -0.646 0.035 0.009 0.031 -0.616 0.042 122 0.033 0.002 0.240 0.042 0.769 0.053 -0.675 0.020 0.019 0.014 -0.656 0.038 124 0.037 0.001 0.210 0.028 0.777 0.037 -0.721 0.027 0.009 0.024 -0.661 0.037 126 0.039 0.002 0.200 0.025 0.774 0.032 -0.694 0.025 0.008 0.021 -0.637 0.017 128 0.039 0.002 0.199 0.019 0.793 0.026 -0.720 0.044 0.045 0.025 -0.671 0.018 130 0.042 0.001 0.184 0.009 0.793 0.017 -0.757 0.013 0.017 0.023 -0.691 0.015 132 0.043 0.002 0.165 0.020 0.796 0.028 -0.756 0.015 -0.010 0.034 -0.662 0.032 134 0.046 0.003 0.141 0.003 0.806 0.012 -0.748 0.025 0.037 0.026 -0.716 0.041 136 0.049 0.002 0.169 0.013 0.811 0.017 -0.798 0.027 -0.000 0.015 -0.734 0.048 138 0.047 0.002 0.132 0.040 0.806 0.051 -0.793 0.037 -0.010 0.010 -0.723 0.026 140 0.053 0.002 0.122 0.027 0.816 0.036 -0.803 0.023 -0.009 0.015 -0.750 0.022 142 0.054 0.002 0.086 0.008 0.809 0.024 -0.792 0.022 -0.005 0.020 -0.745 0.021 144 0.055 0.002 0.108 0.008 0.830 0.015 -0.799 0.013 -0.007 0.026 -0.761 0.023 146 0.059 0.002 0.078 0.014 0.827 0.019 -0.792 0.019 -0.021 0.026 -0.749 0.032 148 0.062 0.003 0.056 0.004 0.828 0.011 -0.823 0.005 -0.005 0.017 -0.763 0.022 150 0.063 0.002 0.059 0.020 0.835 0.026 -0.820 0.020 0.007 0.015 -0.765 0.019 151 0.065 0.002 0.043 0.024 0.829 0.031 -0.809 0.016 -0.024 0.024 -0.775 0.015 152 0.066 0.002 0.065 0.039 0.834 0.051 -0.819 0.016 -0.013 0.008 -0.795 0.022 153 0.067 0.003 0.038 0.004 0.829 0.006 -0.825 0.018 -0.002 0.021 -0.787 0.019 154 0.069 0.002 0.058 0.002 0.833 0.013 -0.842 0.047 -0.016 0.009 -0.774 0.015 155 0.072 0.004 0.057 0.015 0.836 0.022 -0.861 0.023 -0.000 0.020 -0.765 0.017 156 0.071 0.002 0.051 0.003 0.847 0.009 -0.862 0.019 -0.013 0.015 -0.785 0.029 157 0.075 0.003 0.032 0.013 0.836 0.017 -0.866 0.005 -0.006 0.011 -0.810 0.016 158 0.073 0.003 0.026 0.011 0.839 0.015 -0.831 0.015 -0.026 0.012 -0.774 0.013 159 0.075 0.003 0.031 0.015 0.843 0.019 -0.860 0.012 -0.000 0.017 -0.805 0.016 160 0.078 0.003 0.007 0.031 0.833 0.041 -0.846 0.014 0.000 0.012 -0.794 0.013 161 0.078 0.002 0.011 0.013 0.841 0.020 -0.839 0.024 -0.011 0.018 -0.794 0.009 162 0.085 0.003 -0.001 0.012 0.840 0.021 -0.845 0.010 0.000 0.012 -0.785 0.018 163 0.082 0.004 0.005 0.015 0.849 0.021 -0.844 0.012 -0.029 0.014 -0.792 0.008 164 0.082 0.002 0.016 0.008 0.843 0.013 -0.835 0.014 -0.015 0.012 -0.814 0.013 165 0.084 0.003 -0.002 0.016 0.851 0.021 -0.846 0.027 -0.010 0.016 -0.807 0.012 166 0.087 0.002 0.009 0.003 0.844 0.008 -0.856 0.021 0.000 0.017 -0.795 0.023 167 0.088 0.003 0.001 0.003 0.846 0.006 -0.843 0.022 -0.008 0.030 -0.802 0.014 168 0.085 0.003 0.003 0.006 0.847 0.009 -0.825 0.009 -0.022 0.012 -0.798 0.021 169 0.085 0.003 -0.000 0.031 0.846 0.041 -0.832 0.020 -0.013 0.031 -0.795 0.027 170 0.090 0.001 -0.011 0.009 0.850 0.023 -0.870 0.012 -0.017 0.011 -0.806 0.008 171 0.094 0.004 -0.029 0.008 0.847 0.012 -0.876 0.020 -0.022 0.011 -0.808 0.015 172 0.094 0.004 -0.020 0.010 0.841 0.021 -0.843 0.027 -0.015 0.016 -0.799 0.014 174 0.094 0.003 -0.024 0.014 0.842 0.019 -0.858 0.008 -0.010 0.023 -0.796 0.008 175 0.099 0.004 -0.024 0.023 0.843 0.031 -0.843 0.021 -0.004 0.016 -0.775 0.014 176 0.096 0.002 -0.007 0.025 0.845 0.033 -0.843 0.023 -0.007 0.017 -0.770 0.027 177 0.104 0.003 -0.019 0.009 0.828 0.015 -0.840 0.007 -0.025 0.014 -0.744 0.019