solar.plist

{
    si =     (
                {
            a = "-0.3427528387535028";
            i = 0;
            o = 1;
            z = "270.9334057827345";
        },
                {
            a = "-10.23975864472505";
            i = 1;
            o = 1;
            z = "81.77588714480999";
        },
                {
            a = "-4.247734408075456";
            i = 2;
            o = 1;
            z = "86.33545030477751";
        },
                {
            a = "1.389086633100843";
            i = 3;
            o = 1;
            z = "90.81267037496195";
        },
                {
            a = "7.167168970526129";
            i = 4;
            o = 1;
            z = "95.30740958876589";
        },
                {
            a = "13.08619419164163";
            i = 5;
            o = 1;
            z = "99.92062963268938";
        },
                {
            a = "40.41563946490428";
            i = 6;
            o = 1;
            z = "129.1865220819196";
        },
                {
            a = "53.43347266172774";
            i = 7;
            o = 1;
            z = "182.2330942549791";
        },
                {
            a = "38.79312820063863";
            i = 8;
            o = 1;
            z = "233.5515919580959";
        },
                {
            a = "11.08942317126588";
            i = 9;
            o = 1;
            z = "261.8715904657666";
        },
                {
            a = "5.184575323673625";
            i = 10;
            o = 1;
            z = "266.4432737071051";
        },
                {
            a = "-6.248309374122789";
            i = 11;
            o = 1;
            z = "275.4420453669525";
        },
                {
            a = "-12.20770735214888";
            i = 12;
            o = 1;
            z = "280.0703158940117";
        },
                {
            a = "-39.48933951993012";
            i = 13;
            o = 0;
            z = "309.4185731874514";
        },
                {
            a = "-52.75318137879935";
            i = 14;
            o = 0;
            z = "2.175096553867547";
        },
                {
            a = "-38.04743388682423";
            i = 15;
            o = 0;
            z = "53.50908581251309";
        }
    );
}

My guesses:

i = The index of the image in the collection
o = Whether the image is light-mode only