groupProj. UProj. WSCorr. UCorr. WS BLLCMPos. angler MU MP

11944 830.45 4133.77 415.61 2069.41 -9.54 98.64 1.17 195.16 0.1418 613.9 127.7


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SDO HMI 2014-01-07 23:40:09 UT

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spotProj. UProj. WSCorr. UCorr. WSBLLCMPos. angler MU MP

1 0.00 2.46 0.00 1.25 -13.19 106.43 8.96 222.76 0.2243 -714.0 -582.4
2 0.00 3.48 0.00 1.74 -4.34 105.75 8.28 265.94 0.1446 -659.0 -592.3
3 1.95 1904.78 0.98 952.79 -6.94 105.36 7.89 247.87 0.1478 851.7 443.2
4 1.44 -3.00 0.72 -3.00 -9.19 105.22 7.75 234.64 0.1640 1301.2 999999
5 1.44 -3.00 0.72 -3.00 -7.30 105.07 7.60 244.84 0.1455 1104.5 999999
6 2.04 -3.00 1.02 -3.00 -7.47 105.04 7.57 243.66 0.1464 1182.7 999999
7 369.18 -3.00 184.71 -3.00 -8.31 104.24 6.77 235.89 0.1416 1780.3 999999
8 1.27 -3.00 0.64 -3.00 -7.13 104.11 6.64 242.98 0.1293 1336.6 999999
9 1.10 -3.00 0.55 -3.00 -7.31 103.63 6.16 239.96 0.1235 1330.0 999999
10 0.68 -3.00 0.34 -3.00 -7.48 103.60 6.13 238.61 0.1247 1382.5 999999
11 0.00 7.48 0.00 3.72 -5.74 103.29 5.82 251.22 0.1070 160.0 182.9
12 11.38 -3.00 5.68 -3.00 -7.69 103.13 5.66 235.07 0.1197 1406.6 999999
13 1.36 -3.00 0.68 -3.00 -8.34 102.69 5.22 228.53 0.1206 1255.6 999999
14 3.99 -3.00 1.99 -3.00 -8.61 102.57 5.10 226.25 0.1223 1075.5 999999
15 7.90 -3.00 3.93 -3.00 -7.43 102.38 4.91 233.15 0.1065 931.1 999999
16 0.76 -3.00 0.38 -3.00 -6.25 102.25 4.78 242.55 0.0938 1073.8 999999
17 12.57 -3.00 6.25 -3.00 -6.52 102.10 4.63 239.30 0.0937 1235.2 999999
18 0.68 -3.00 0.34 -3.00 -6.22 101.92 4.45 241.16 0.0885 959.9 999999
19 2.38 -3.00 1.18 -3.00 -7.85 101.85 4.38 226.88 0.1040 1104.9 999999
20 0.00 4.76 0.00 2.37 -7.05 101.36 3.89 229.83 0.0886 796.0 647.8
21 0.51 3.06 0.25 1.52 -6.43 101.18 3.71 234.38 0.0795 967.5 755.6
22 0.76 161.74 0.38 80.30 -6.79 100.74 3.27 227.29 0.0774 787.9 -10.5
23 0.00 1.53 0.00 0.77 -11.40 100.53 3.06 201.57 0.1431 845.0 658.6
24 24.38 -22.00 12.11 -22.00 -7.26 100.23 2.76 218.35 0.0774 896.0 999999
25 1.61 -22.00 0.80 -22.00 -6.67 100.08 2.61 222.06 0.0679 -861.0 999999
26 3.14 -22.00 1.56 -22.00 -6.73 99.79 2.32 218.09 0.0653 -995.9 999999
27 0.00 1.95 0.00 0.97 -8.74 99.41 1.94 201.19 0.0928 787.0 702.1
28 1.27 -22.00 0.63 -22.00 -7.38 99.28 1.81 206.66 0.0702 1079.1 999999
29 0.00 1.36 0.00 0.68 -8.59 99.14 1.67 199.00 0.0888 1010.0 827.4
30 12.66 -22.00 6.28 -22.00 -6.70 99.07 1.60 208.75 0.0580 -1155.5 999999
31 0.00 1.70 0.00 0.84 -5.73 98.92 1.45 216.84 0.0423 923.0 688.2
32 0.00 1.19 0.00 0.59 -7.94 98.87 1.40 198.49 0.0765 955.0 679.9
33 0.00 1.44 0.00 0.72 -8.24 98.78 1.31 196.29 0.0810 1077.0 886.9
34 0.00 1.19 0.00 0.59 -6.94 98.57 1.10 199.17 0.0582 812.0 600.4
35 0.00 3.31 0.00 1.65 -7.79 98.54 1.07 194.88 0.0724 978.0 786.3
36 0.00 0.68 0.00 0.34 -8.15 98.51 1.04 193.34 0.0783 728.0 599.1
37 0.00 2.04 0.00 1.01 -5.26 98.30 0.83 209.59 0.0294 992.0 784.5
38 0.00 2.89 0.00 1.43 -7.56 98.27 0.80 191.96 0.0673 989.0 816.7
39 0.00 1.36 0.00 0.67 -4.84 98.24 0.77 216.35 0.0228 897.0 718.0
40 0.00 2.72 0.00 1.35 -6.97 98.15 0.68 192.09 0.0568 928.0 786.8
41 0.00 1.44 0.00 0.72 -0.30 98.10 0.63 349.81 0.0622 973.0 725.1
42 0.00 1.27 0.00 0.63 -6.11 98.06 0.59 194.34 0.0418 858.0 727.7
43 0.00 1.10 0.00 0.55 -7.32 98.01 0.53 188.57 0.0624 969.0 822.8
44 0.00 0.93 0.00 0.46 -7.91 98.01 0.53 187.35 0.0726 878.0 709.7
45 2.89 578.58 1.44 288.75 -10.22 97.98 0.51 184.44 0.1127 819.9 424.7
46 0.00 1.02 0.00 0.51 -7.62 97.89 0.42 186.17 0.0673 937.0 721.2
47 1.61 43.07 0.80 21.38 -7.50 97.53 0.06 180.92 0.0648 1214.1 586.9
48 0.00 1.70 0.00 0.84 -3.87 97.50 0.03 205.25 0.0014 902.0 623.6
49 120.03 -45.00 59.88 -45.00 -10.69 97.44 -0.03 179.72 0.1206 1509.3 999999
50 12.49 -45.00 6.22 -45.00 -9.68 97.38 -0.09 179.11 0.1030 1273.0 999999
51 5.10 -47.00 2.53 -47.00 -7.88 97.26 -0.21 177.10 0.0716 1031.8 999999
52 0.00 1.10 0.00 0.55 -7.14 97.26 -0.21 176.48 0.0587 569.0 378.8
53 1.53 -47.00 0.76 -47.00 -7.61 97.20 -0.27 176.02 0.0670 953.7 999999
54 0.00 1.61 0.00 0.80 -8.12 96.79 -0.69 171.06 0.0766 630.0 567.6
55 0.51 2.29 0.25 1.14 -9.12 96.22 -1.26 166.87 0.0957 1225.8 1041.7
56 0.00 1.19 0.00 0.59 -9.48 96.21 -1.26 167.66 0.1017 1001.0 744.7
57 0.00 5.61 0.00 2.79 -8.71 96.19 -1.28 165.50 0.0888 730.0 529.1
58 0.00 1.87 0.00 0.93 -9.06 96.07 -1.40 165.22 0.0953 818.0 635.8
59 0.00 1.10 0.00 0.55 -4.93 95.94 -1.53 126.49 0.0333 -1040.0 -744.5
60 6.37 85.97 3.17 42.82 -9.62 95.88 -1.59 164.95 0.1056 1047.3 -177.0
61 0.00 2.38 0.00 1.18 -4.90 95.52 -1.95 119.56 0.0391 -999.0 -781.6
62 0.00 5.18 0.00 2.58 -8.14 95.09 -2.38 151.49 0.0866 -891.0 -832.4
63 0.00 1.27 0.00 0.63 -4.51 95.02 -2.45 106.37 0.0446 -903.0 -723.1
64 0.00 1.87 0.00 0.93 -10.24 94.95 -2.52 158.93 0.1209 1054.0 815.4
65 0.00 1.87 0.00 0.93 -10.03 94.92 -2.55 158.07 0.1177 754.0 488.0
66 0.00 5.01 0.00 2.49 -7.43 94.80 -2.67 143.88 0.0789 -779.0 -906.8
67 0.00 1.95 0.00 0.97 -8.08 94.73 -2.74 147.66 0.0889 -974.0 -760.4
68 0.00 1.02 0.00 0.51 -11.10 94.64 -2.83 159.16 0.1367 541.0 479.3
69 3.40 14.70 1.70 7.34 -10.68 94.62 -2.85 157.82 0.1302 1060.2 787.8
70 0.00 0.85 0.00 0.43 -11.90 94.60 -2.87 160.87 0.1500 686.0 590.1
71 1.78 -60.00 0.89 -60.00 -9.29 94.60 -2.87 152.72 0.1083 -1256.0 999999
72 0.00 1.02 0.00 0.51 -11.43 94.58 -2.89 159.58 0.1424 623.0 541.2
73 1.36 11.21 0.68 5.57 -7.22 94.59 -2.88 140.18 0.0782 -1220.9 -587.1
74 0.00 1.27 0.00 0.64 -10.39 94.53 -2.94 156.28 0.1260 1067.0 896.6
75 0.00 5.18 0.00 2.59 -10.98 94.40 -3.07 157.23 0.1363 578.0 506.4
76 0.00 0.93 0.00 0.47 -10.80 94.32 -3.15 156.11 0.1341 386.0 292.5
77 0.00 4.25 0.00 2.12 -11.25 94.28 -3.19 157.18 0.1414 19.0 79.8
78 0.00 2.55 0.00 1.27 -9.59 94.18 -3.29 150.72 0.1163 -1211.0 -960.5
79 0.00 1.02 0.00 0.51 -10.03 94.11 -3.36 152.05 0.1236 17.0 52.1
80 0.59 19.62 0.30 9.75 -7.25 94.11 -3.36 136.08 0.0841 -1199.3 -750.7
81 3.48 788.31 1.74 397.06 -10.59 94.02 -3.45 153.44 0.1330 1026.9 -294.5
82 2.97 -81.00 1.48 -81.00 -10.36 93.99 -3.48 152.42 0.1296 1146.4 999999
83 1.44 36.10 0.72 17.99 -9.35 94.00 -3.47 148.35 0.1143 -1349.6 -621.0
84 0.00 1.70 0.00 0.84 -5.42 93.98 -3.49 115.13 0.0673 -990.0 -848.9
85 0.00 3.65 0.00 1.83 -11.48 93.74 -3.74 154.50 0.1490 585.0 525.0
86 6.03 -83.00 3.01 -83.00 -9.17 93.74 -3.73 145.55 0.1142 -1258.0 999999
87 1.44 -81.00 0.72 -81.00 -10.47 93.69 -3.78 150.87 0.1338 955.5 999999
88 1.70 -83.00 0.85 -83.00 -8.70 93.68 -3.79 142.62 0.1081 -1042.8 999999
89 0.00 3.06 0.00 1.52 -8.07 93.69 -3.78 138.84 0.0997 -924.0 -795.2
90 0.00 1.02 0.00 0.51 -2.06 93.73 -3.74 65.15 0.0722 842.0 676.3
91 0.00 1.19 0.00 0.59 -1.88 93.64 -3.83 63.49 0.0749 946.0 791.2
92 0.00 0.59 0.00 0.30 -7.63 93.54 -3.93 134.63 0.0958 -482.0 -572.4
93 2.38 5.61 1.18 2.79 -7.87 93.45 -4.02 135.69 0.0998 -1127.9 -826.3
94 0.00 1.27 0.00 0.63 -1.53 93.47 -4.00 60.53 0.0806 747.0 528.4
95 6.12 26.93 3.05 13.44 -9.61 93.37 -4.10 145.21 0.1241 -1233.8 -876.4
96 0.00 2.12 0.00 1.06 -8.72 93.38 -4.09 140.67 0.1117 -830.0 -848.4
97 3.48 -95.00 1.74 -95.00 -9.28 93.23 -4.24 142.67 0.1210 -1100.4 999999
98 0.00 2.72 0.00 1.35 -8.54 93.21 -4.27 138.43 0.1114 -1014.0 -807.2
99 1.36 -81.00 0.68 -81.00 -10.02 92.92 -4.56 144.25 0.1345 -1114.5 999999
100 0.00 0.93 0.00 0.47 -9.73 92.92 -4.55 142.92 0.1303 -1049.0 -813.5
101 0.00 2.89 0.00 1.44 -8.87 92.93 -4.54 138.57 0.1187 -763.0 -638.3
102 0.00 2.12 0.00 1.06 -9.46 92.86 -4.61 141.29 0.1273 -967.0 -762.8
103 0.00 0.93 0.00 0.47 -9.07 92.75 -4.72 138.59 0.1235 -791.0 -654.8
104 1.53 -81.00 0.76 -81.00 -10.29 92.64 -4.83 143.81 0.1410 -1277.9 999999
105 0.00 1.78 0.00 0.89 -9.99 92.56 -4.91 142.03 0.1378 -949.0 -800.3
106 0.00 1.02 0.00 0.51 -8.19 92.46 -5.01 131.61 0.1161 -846.0 -646.1
107 0.00 2.29 0.00 1.15 -9.87 92.32 -5.15 140.16 0.1388 -1009.0 -870.8
108 0.00 1.02 0.00 0.51 -8.27 92.31 -5.16 131.34 0.1191 -953.0 -746.3
109 0.00 2.72 0.00 1.36 -7.95 92.29 -5.18 129.06 0.1158 -960.0 -876.5
110 0.00 1.02 0.00 0.51 -8.57 92.13 -5.34 132.18 0.1248 -988.0 -827.0
111 6.03 -81.00 3.04 -81.00 -12.57 91.93 -5.54 148.35 0.1804 814.9 999999
112 23.87 -81.00 12.00 -81.00 -12.12 91.85 -5.62 146.59 0.1747 -1259.0 999999
113 0.00 1.27 0.00 0.65 -14.63 91.79 -5.68 153.04 0.2123 -835.0 -683.1
114 0.00 1.10 0.00 0.55 -8.54 91.80 -5.67 130.31 0.1287 -1220.0 -954.9
115 0.85 24.13 0.42 12.04 -7.74 91.72 -5.75 124.81 0.1214 -1024.4 -725.4
116 0.00 5.44 0.00 2.72 -10.37 91.65 -5.82 138.99 0.1528 -236.0 -288.6
117 18.18 -81.00 9.13 -81.00 -11.56 91.59 -5.88 143.44 0.1693 -1305.2 999999
118 0.00 3.06 0.00 1.53 -8.33 91.65 -5.82 128.33 0.1284 -1142.0 -957.2
119 0.00 1.87 0.00 0.94 -9.66 91.60 -5.87 135.45 0.1444 -1016.0 -795.1
120 3.57 -81.00 1.79 -81.00 -11.20 91.45 -6.02 141.45 0.1659 -1483.6 999999
121 10.19 -81.00 5.15 -81.00 -13.46 91.33 -6.14 148.28 0.1987 1119.4 999999
122 0.85 -81.00 0.43 -81.00 -12.12 91.37 -6.10 144.38 0.1793 -951.5 999999
123 0.00 1.36 0.00 0.68 -9.75 91.39 -6.08 134.87 0.1480 -955.0 -833.3
124 0.00 1.27 0.00 0.64 -9.06 91.37 -6.10 131.29 0.1403 -1058.0 -852.8
125 0.00 2.12 0.00 1.06 -8.47 91.38 -6.09 127.96 0.1337 -933.0 -711.4
126 0.00 0.93 0.00 0.47 -9.92 91.32 -6.15 135.43 0.1510 -940.0 -679.4
127 0.00 7.65 0.00 3.82 -8.77 91.32 -6.15 129.39 0.1377 -981.0 -860.9
128 0.00 0.93 0.00 0.47 -9.00 91.22 -6.25 130.28 0.1416 -601.0 -480.2
129 4.76 -81.00 2.39 -81.00 -11.29 91.11 -6.36 140.28 0.1707 -1249.2 999999
130 1.78 -81.00 0.90 -81.00 -13.55 91.05 -6.42 147.39 0.2025 708.3 999999
131 0.00 1.44 0.00 0.73 -15.35 90.94 -6.53 151.33 0.2297 -1049.0 -872.3
132 3.40 36.78 1.71 18.55 -12.39 90.93 -6.54 143.41 0.1874 -981.4 -804.6
133 0.00 6.20 0.00 3.10 -8.11 90.97 -6.50 124.02 0.1359 -867.0 -769.6
134 0.85 5.61 0.43 2.85 -14.90 90.77 -6.70 149.69 0.2245 -964.2 -745.2
135 0.00 1.95 0.00 0.98 -8.44 90.93 -6.54 125.84 0.1396 -1063.0 -908.7
136 2.55 -81.00 1.29 -81.00 -12.89 90.80 -6.67 144.45 0.1957 -949.7 999999
137 1.95 -132.00 0.98 -132.00 -12.27 90.79 -6.68 142.40 0.1873 -1190.9 999999
138 8.49 31.43 4.27 15.80 -10.66 90.77 -6.70 136.26 0.1667 -1217.6 -928.9
139 0.93 3.65 0.47 1.84 -11.34 90.66 -6.81 138.56 0.1765 -1083.0 -880.1
140 0.00 1.78 0.00 0.90 -10.15 90.69 -6.78 133.71 0.1616 -929.0 -675.8
141 0.00 1.02 0.00 0.51 -12.74 90.59 -6.88 143.15 0.1957 -606.0 -608.0
142 17.67 30.50 8.86 15.29 -9.68 90.61 -6.86 131.15 0.1572 -1202.4 -828.9
143 6.63 -132.00 3.34 -132.00 -12.26 90.45 -7.02 141.04 0.1908 -1166.2 999999
144 0.00 1.61 0.00 0.81 -10.12 90.51 -6.96 132.83 0.1635 -786.0 -620.9
145 0.00 7.48 0.00 3.74 -8.70 90.42 -7.05 125.30 0.1494 -375.0 -787.5
146 1.10 5.61 0.56 2.83 -11.96 90.28 -7.19 139.32 0.1888 -1191.2 -897.1
147 0.68 -81.00 0.34 -81.00 -13.93 90.07 -7.40 144.67 0.2173 -990.6 999999
148 2.29 7.31 1.15 3.67 -9.82 90.15 -7.32 130.05 0.1647 -987.6 -785.9
149 0.00 4.84 0.00 2.44 -10.74 90.07 -7.40 133.81 0.1762 -950.0 -889.2
150 2.04 8.83 1.03 4.45 -10.98 90.03 -7.44 134.65 0.1795 -1100.7 -803.5
151 0.00 0.85 0.00 0.43 -10.24 90.05 -7.42 131.57 0.1706 -900.0 -769.4
152 14.02 -81.00 7.10 -81.00 -13.24 89.94 -7.53 142.21 0.2093 -1273.0 999999
153 0.00 1.27 0.00 0.64 -12.02 89.94 -7.53 138.25 0.1933 -1116.0 -840.3
154 13.34 -81.00 6.76 -81.00 -13.75 89.86 -7.61 143.41 0.2169 -1256.2 999999
155 0.00 6.97 0.00 3.50 -9.26 89.95 -7.52 126.55 0.1615 -34.0 -104.7
156 0.00 1.95 0.00 0.98 -10.30 89.90 -7.57 131.26 0.1732 -763.0 -698.0
157 0.00 3.23 0.00 1.63 -11.81 89.83 -7.64 137.07 0.1920 -1085.0 -953.5
158 0.00 1.53 0.00 0.77 -11.60 89.83 -7.64 136.32 0.1894 -999.0 -822.1
159 1.27 15.55 0.64 7.86 -12.29 89.78 -7.69 138.58 0.1985 -1006.1 -841.9
160 0.76 10.19 0.38 5.12 -9.73 89.73 -7.74 128.07 0.1694 -878.1 -453.9
161 0.00 1.10 0.00 0.56 -11.12 89.70 -7.77 133.98 0.1853 -823.0 -586.2
162 0.00 1.78 0.00 0.90 -11.51 89.65 -7.82 135.33 0.1904 -912.0 -843.4
163 0.00 1.87 0.00 0.94 -10.14 89.69 -7.78 129.83 0.1743 -653.0 -529.3
164 0.00 1.19 0.00 0.60 -7.16 89.76 -7.71 113.97 0.1464 -974.0 -703.4
165 1.10 -81.00 0.56 -81.00 -13.93 89.51 -7.96 142.71 0.2228 -939.8 999999
166 6.88 -159.00 3.48 -159.00 -12.16 89.51 -7.96 137.19 0.2001 -1137.5 999999
167 18.26 -81.00 9.27 -81.00 -13.66 89.43 -8.04 141.66 0.2201 -1215.9 999999
168 0.00 1.10 0.00 0.56 -15.88 89.35 -8.12 147.07 0.2512 -960.0 -750.9
169 0.00 1.44 0.00 0.73 -11.72 89.47 -8.00 135.42 0.1952 -1053.0 -969.9
170 0.00 0.34 0.00 0.17 -10.02 89.45 -8.02 128.45 0.1762 -321.0 -315.5
171 0.00 1.61 0.00 0.81 -10.82 89.40 -8.07 131.73 0.1856 -816.0 -659.8
172 0.00 3.14 0.00 1.59 -11.69 89.31 -8.16 134.78 0.1966 -820.0 -668.0
173 0.00 1.36 0.00 0.68 -10.17 89.27 -8.20 128.48 0.1802 -796.0 -705.7
174 0.00 2.04 0.00 1.02 -3.74 89.39 -8.08 89.81 0.1409 -970.0 -726.5
175 0.00 1.61 0.00 0.81 -11.18 89.12 -8.35 132.18 0.1932 -738.0 -590.0
176 2.12 16.56 1.07 8.38 -12.07 89.00 -8.47 135.09 0.2050 -1082.7 -805.8
177 0.00 5.78 0.00 2.92 -11.56 88.98 -8.49 133.21 0.1993 -782.0 -842.2
178 0.00 4.08 0.00 2.07 -12.54 88.83 -8.64 136.17 0.2128 -790.0 -755.8
179 0.00 0.93 0.00 0.48 -14.64 88.72 -8.75 142.05 0.2405 -738.0 -582.1
180 0.00 2.97 0.00 1.51 -12.78 88.61 -8.86 136.23 0.2182 -1024.0 -803.9
181 0.00 1.70 0.00 0.86 -12.09 88.57 -8.90 133.80 0.2106 -743.0 -629.5
182 0.00 1.10 0.00 0.56 -11.65 88.56 -8.91 132.14 0.2056 -853.0 -704.0
183 0.00 0.85 0.00 0.43 -12.99 88.51 -8.96 136.59 0.2219 -705.0 -612.7
184 0.00 1.36 0.00 0.69 -11.38 88.32 -9.15 130.41 0.2057 -782.0 -679.9
185 0.00 3.31 0.00 1.68 -11.61 88.25 -9.22 131.08 0.2092 -783.0 -621.0
186 0.00 4.50 0.00 2.29 -13.13 88.07 -9.40 135.72 0.2288 -711.0 -690.8
187 0.00 1.19 0.00 0.60 -11.76 88.12 -9.35 131.24 0.2124 -811.0 -637.1
188 0.00 1.87 0.00 0.95 -11.58 87.92 -9.55 129.97 0.2131 -733.0 -624.2
189 0.00 1.70 0.00 0.86 -10.21 87.54 -9.93 123.57 0.2047 -977.0 -810.9
190 0.00 1.10 0.00 0.56 -12.62 87.39 -10.08 132.09 0.2313 -830.0 -621.3
191 0.00 1.27 0.00 0.64 -9.29 87.20 -10.27 118.80 0.2016 -696.0 -576.6
192 0.00 1.10 0.00 0.56 -12.28 86.57 -10.90 128.82 0.2382 -693.0 -558.1


  • Proj. U -  Projected umbra area in millionths of solar disc, negative values indicate
    that the umbra consists of fragmented regions which cannot be separated without losing umbral area.
    In this way several spots (intensity minima in the umbra) have a common umbra, e.g. -2 means that
    the given spot shares an umbra with spot No.2, and the common U value is indicated at spot No.2.
  • Proj. WS -  Projected whole spot area in millionths of solar disc, negative values indicate
    that several umbras have a common penumbra, e.g. -7 means that the given umbra shares
    a penumbra with umbra No.7, and the WS value is indicated at No.7.
  • Corr. U -  Corrected umbra area in millionths of solar hemisphere, for negative values see above
  • Corr. WS -  Corrected whole spot area in millionths of solar hemisphere, for negative values see above
  • B -  Heliographic latitude B; positive: North, negative: South
  • L -  Heliographic longitude L
  • LCM -  Longitudinal distance from the Sun's central meridian
  • Pos. angle -  Position angle
  • r -  Distance from the centre of Sun's disc in terms of Sun's radius
  • MU -  Mean magnetic field within the umbra contour averaged the pixel values with sign.
  • MP -  Mean magnetic field within the penumbra contour averaged the pixel values with sign.