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

11520 607.17 3428.40 324.71 1837.19 -16.15 83.63 -8.28 158.71 0.3791 365.4 -11.0


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SDO HMI 2012-07-11 20:59:10 UT

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

1 0.00 1.27 0.00 0.68 -16.53 98.72 6.81 197.96 0.3704 718.0 556.2
2 0.00 2.18 0.00 1.15 -15.29 98.08 6.17 197.40 0.3480 1140.0 934.2
3 0.00 1.91 0.00 1.01 -15.26 97.57 5.66 196.07 0.3451 927.0 712.7
4 0.00 0.82 0.00 0.43 -15.55 97.35 5.44 195.26 0.3487 845.0 763.1
5 0.00 3.00 0.00 1.58 -15.38 97.16 5.25 194.87 0.3453 1056.0 859.4
6 0.00 1.27 0.00 0.66 -12.59 97.03 5.12 196.94 0.3003 793.0 606.1
7 0.00 1.36 0.00 0.74 -19.27 96.17 4.26 190.05 0.4034 1018.0 771.6
8 0.00 1.18 0.00 0.62 -14.63 95.88 3.97 191.81 0.3284 801.0 613.1
9 0.00 0.73 0.00 0.38 -14.12 95.58 3.67 191.28 0.3190 868.0 716.4
10 0.00 1.09 0.00 0.57 -14.38 95.56 3.65 191.04 0.3231 1124.0 843.2
11 0.00 1.18 0.00 0.62 -13.86 94.89 2.98 189.32 0.3127 796.0 637.4
12 1.00 247.72 0.53 130.04 -15.40 94.75 2.84 188.17 0.3377 591.2 387.9
13 0.82 -12.00 0.43 -12.00 -14.72 94.49 2.58 187.71 0.3260 964.8 999999
14 30.05 -12.00 15.78 -12.00 -15.18 94.34 2.43 187.08 0.3330 1228.5 999999
15 0.00 0.82 0.00 0.44 -17.65 93.82 1.91 184.92 0.3725 822.0 675.1
16 10.17 -12.00 5.33 -12.00 -14.95 93.73 1.82 185.40 0.3282 1182.3 999999
17 0.00 1.18 0.00 0.63 -17.74 93.76 1.85 184.74 0.3740 890.0 660.1
18 6.17 -12.00 3.24 -12.00 -15.17 93.45 1.54 184.51 0.3315 896.9 999999
19 0.00 1.00 0.00 0.53 -16.83 93.47 1.56 184.17 0.3587 850.0 722.7
20 0.00 1.36 0.00 0.73 -17.84 93.38 1.47 183.74 0.3751 727.0 542.7
21 0.00 2.63 0.00 1.40 -17.09 93.28 1.37 183.62 0.3627 789.0 587.5
22 0.82 2.18 0.43 1.16 -17.09 93.12 1.21 183.20 0.3626 822.9 587.5
23 1.27 2.45 0.67 1.30 -16.93 92.96 1.05 182.80 0.3598 930.0 586.5
24 0.00 1.72 0.00 0.92 -18.01 92.90 0.99 182.50 0.3773 738.0 565.6
25 0.00 0.91 0.00 0.49 -18.20 92.71 0.80 182.00 0.3804 507.0 451.2
26 0.00 4.99 0.00 2.64 -16.53 92.38 0.47 181.29 0.3530 879.0 811.8
27 0.00 1.82 0.00 0.96 -16.05 92.29 0.38 181.05 0.3450 816.0 632.9
28 0.00 2.90 0.00 1.56 -19.06 92.16 0.25 180.61 0.3941 756.0 574.4
29 0.00 1.18 0.00 0.61 -13.41 92.00 0.09 180.29 0.3011 -858.0 -737.6
30 0.00 1.45 0.00 0.78 -19.36 92.00 0.09 180.22 0.3989 850.0 634.1
31 0.00 1.27 0.00 0.66 -13.05 91.75 -0.16 179.47 0.2953 -954.0 -689.2
32 0.00 1.36 0.00 0.71 -14.53 91.69 -0.22 179.32 0.3198 -865.0 -618.4
33 0.00 2.45 0.00 1.28 -14.11 91.62 -0.29 179.11 0.3129 -761.0 -643.8
34 0.00 0.82 0.00 0.43 -15.07 91.46 -0.45 178.69 0.3290 -844.0 -655.3
35 0.00 1.18 0.00 0.63 -18.60 91.42 -0.49 178.80 0.3867 854.0 682.1
36 0.00 1.27 0.00 0.68 -18.24 90.20 -1.70 175.74 0.3818 630.0 520.2
37 0.00 2.18 0.00 1.14 -15.21 90.17 -1.74 174.92 0.3323 -902.0 -752.6
38 0.00 1.54 0.00 0.79 -11.60 90.01 -1.90 173.12 0.2727 -960.0 -739.2
39 0.00 1.54 0.00 0.80 -13.44 89.81 -2.10 173.22 0.3038 -883.0 -677.0
40 0.00 2.27 0.00 1.17 -12.29 89.78 -2.12 172.66 0.2848 -943.0 -745.4
41 2.36 2.81 1.23 1.47 -13.82 89.74 -2.17 173.17 0.3103 -963.9 -692.4
42 1.36 7.08 0.72 3.76 -16.63 89.65 -2.26 173.88 0.3566 872.2 647.4
43 0.00 1.27 0.00 0.68 -18.21 89.56 -2.35 174.13 0.3822 866.0 632.1
44 0.00 1.91 0.00 1.00 -14.69 89.51 -2.40 172.81 0.3250 -919.0 -673.3
45 0.00 1.72 0.00 0.92 -18.34 89.43 -2.48 173.85 0.3845 967.0 776.8
46 0.00 1.00 0.00 0.51 -11.44 89.45 -2.46 171.04 0.2713 -1017.0 -862.4
47 0.00 1.63 0.00 0.84 -11.03 89.45 -2.46 170.81 0.2645 -933.0 -755.6
48 0.00 3.09 0.00 1.66 -18.67 89.20 -2.71 173.39 0.3902 669.0 655.8
49 0.00 2.72 0.00 1.40 -11.82 89.26 -2.65 170.59 0.2782 -1075.0 -837.9
50 0.00 0.82 0.00 0.44 -18.93 89.13 -2.78 173.31 0.3946 774.0 597.4
51 0.00 3.09 0.00 1.62 -14.63 89.17 -2.74 171.76 0.3248 -868.0 -711.0
52 0.00 1.91 0.00 0.98 -10.37 89.15 -2.76 169.21 0.2544 -875.0 -741.5
53 0.00 2.18 0.00 1.12 -11.88 89.10 -2.81 170.09 0.2797 -619.0 -652.2
54 0.00 0.91 0.00 0.49 -18.90 88.84 -3.07 172.60 0.3947 769.0 599.2
55 0.00 1.18 0.00 0.63 -18.70 88.78 -3.13 172.39 0.3916 874.0 708.8
56 0.00 1.36 0.00 0.73 -18.14 88.70 -3.21 171.97 0.3828 888.0 751.5
57 0.00 2.36 0.00 1.28 -19.37 88.54 -3.37 172.06 0.4027 754.0 643.8
58 0.00 3.00 0.00 1.63 -20.24 88.30 -3.61 171.82 0.4170 704.0 589.2
59 1.54 35.31 0.81 18.47 -14.31 88.38 -3.53 169.27 0.3217 -1081.5 -734.2
60 0.00 1.63 0.00 0.87 -17.65 88.29 -3.62 170.75 0.3760 -825.0 -583.4
61 10.26 170.56 5.39 89.84 -15.08 88.02 -3.89 168.69 0.3354 -1282.7 -443.5
62 0.00 1.00 0.00 0.53 -16.12 87.84 -4.07 168.81 0.3527 -655.0 -471.3
63 4.45 -59.00 2.33 -59.00 -14.54 87.84 -4.07 167.83 0.3272 -1105.6 999999
64 0.00 1.54 0.00 0.81 -14.15 87.85 -4.06 167.59 0.3209 -936.0 -699.8
65 0.54 -61.00 0.29 -61.00 -14.86 87.77 -4.14 167.85 0.3326 -1244.7 999999
66 0.91 -61.00 0.48 -61.00 -15.47 87.70 -4.21 168.03 0.3428 -744.1 999999
67 6.54 -61.00 3.44 -61.00 -15.25 87.51 -4.40 167.37 0.3398 -1111.8 999999
68 11.71 -61.00 6.18 -61.00 -15.51 87.25 -4.66 166.83 0.3449 -1021.3 999999
69 0.00 1.27 0.00 0.67 -14.90 87.17 -4.74 166.17 0.3354 -1009.0 -851.4
70 0.00 1.45 0.00 0.75 -12.88 87.18 -4.73 164.55 0.3030 -967.0 -760.8
71 0.00 1.09 0.00 0.56 -11.80 87.14 -4.77 163.38 0.2858 -871.0 -596.0
72 0.00 1.45 0.00 0.76 -14.51 87.05 -4.86 165.54 0.3297 -992.0 -823.5
73 0.00 2.54 0.00 1.33 -14.70 86.99 -4.92 165.50 0.3331 -656.0 -587.8
74 0.00 1.36 0.00 0.73 -17.63 86.33 -5.58 165.91 0.3820 769.0 577.1
75 1.27 319.61 0.68 173.06 -17.80 85.72 -6.19 164.55 0.3872 970.1 399.3
76 12.80 -75.00 6.90 -75.00 -18.43 85.60 -6.31 164.72 0.3974 1307.2 999999
77 0.00 1.18 0.00 0.62 -13.37 85.47 -6.44 159.94 0.3194 -846.0 -606.5
78 28.68 93.77 14.86 48.53 -11.78 85.48 -6.43 158.07 0.2947 -1146.2 -551.0
79 31.41 -75.00 16.99 -75.00 -18.63 85.14 -6.77 163.81 0.4025 1198.6 999999
80 0.00 2.09 0.00 1.15 -21.00 84.51 -7.40 164.12 0.4413 856.0 637.0
81 0.91 -75.00 0.49 -75.00 -19.06 84.57 -7.34 162.87 0.4118 851.0 999999
82 108.56 1974.48 57.82 1061.50 -16.21 84.56 -7.35 160.42 0.3683 1613.5 63.7
83 8.90 -75.00 4.84 -75.00 -19.23 84.33 -7.58 162.48 0.4154 762.1 999999
84 0.00 1.72 0.00 0.94 -19.53 83.96 -7.95 161.92 0.4218 500.0 474.4
85 1.00 -82.00 0.53 -82.00 -16.02 83.96 -7.95 158.77 0.3689 1115.6 999999
86 0.00 3.09 0.00 1.69 -19.80 83.78 -8.13 161.76 0.4267 748.0 589.2
87 0.00 1.00 0.00 0.52 -10.59 84.10 -7.81 152.08 0.2864 -733.0 -503.9
88 3.00 -82.00 1.60 -82.00 -16.22 83.66 -8.25 158.26 0.3736 1024.9 999999
89 0.00 1.72 0.00 0.90 -13.07 83.72 -8.19 154.68 0.3260 -910.0 -690.6
90 2.90 -82.00 1.55 -82.00 -15.87 83.32 -8.59 157.08 0.3704 788.5 999999
91 0.00 1.54 0.00 0.80 -11.86 83.25 -8.66 151.66 0.3118 -845.0 -709.6
92 0.00 1.00 0.00 0.52 -12.02 83.15 -8.76 151.64 0.3149 -983.0 -820.5
93 0.00 1.18 0.00 0.62 -12.50 83.04 -8.87 152.06 0.3227 -892.0 -720.5
94 155.31 -82.00 83.55 -82.00 -17.04 82.75 -9.16 157.02 0.3915 1464.8 999999
95 1.72 3.36 0.90 1.75 -12.15 82.96 -8.95 151.31 0.3183 -937.1 -953.0
96 0.00 2.09 0.00 1.10 -13.27 82.82 -9.09 152.60 0.3356 -945.0 -731.3
97 0.00 1.27 0.00 0.72 -23.07 82.05 -9.86 160.89 0.4831 -608.0 -601.5
98 0.00 1.82 0.00 1.03 -23.34 81.83 -10.08 160.70 0.4882 -554.0 -479.8
99 1.36 -82.00 0.72 -82.00 -15.13 82.30 -9.61 153.79 0.3666 617.5 999999
100 1.36 -82.00 0.73 -82.00 -15.72 82.21 -9.70 154.30 0.3757 754.3 999999
101 0.00 2.54 0.00 1.49 -26.59 81.42 -10.49 162.24 0.5360 -771.0 -601.2
102 4.81 -82.00 2.58 -82.00 -16.17 82.05 -9.86 154.49 0.3833 1139.4 999999
103 0.00 1.09 0.00 0.56 -10.01 82.30 -9.61 145.80 0.2937 -798.0 -665.5
104 1.54 -82.00 0.83 -82.00 -16.70 81.83 -10.08 154.61 0.3924 856.9 999999
105 1.91 -82.00 1.02 -82.00 -16.31 81.85 -10.06 154.20 0.3867 852.4 999999
106 3.54 -82.00 1.91 -82.00 -17.12 81.71 -10.20 154.83 0.3994 927.3 999999
107 1.36 -82.00 0.74 -82.00 -17.45 81.66 -10.25 155.08 0.4045 868.4 999999
108 1.09 -82.00 0.59 -82.00 -16.76 81.57 -10.34 154.11 0.3953 841.2 999999
109 3.54 -82.00 1.90 -82.00 -16.34 81.56 -10.35 153.60 0.3893 788.7 999999
110 10.89 -82.00 5.89 -82.00 -16.97 81.11 -10.80 153.35 0.4014 893.3 999999
111 6.99 -82.00 3.77 -82.00 -16.61 81.03 -10.88 152.77 0.3969 627.5 999999
112 1.36 -82.00 0.74 -82.00 -17.39 80.95 -10.96 153.52 0.4086 459.3 999999
113 0.00 2.00 0.00 1.06 -14.12 81.10 -10.81 149.63 0.3614 -295.0 -283.5
114 2.45 -82.00 1.33 -82.00 -16.88 80.63 -11.28 152.24 0.4037 707.6 999999
115 3.63 -82.00 1.97 -82.00 -17.11 80.45 -11.46 152.15 0.4082 675.2 999999
116 1.09 -82.00 0.58 -82.00 -15.10 80.28 -11.63 149.19 0.3817 -945.5 999999
117 0.54 -82.00 0.29 -82.00 -15.19 80.21 -11.70 149.17 0.3836 -1002.3 999999
118 4.54 -82.00 2.45 -82.00 -16.20 80.11 -11.79 150.33 0.3982 -1532.6 999999
119 0.00 6.26 0.00 3.33 -13.97 80.24 -11.67 147.48 0.3666 -757.0 -767.8
120 1.45 -82.00 0.79 -82.00 -16.75 80.02 -11.89 150.83 0.4066 709.3 999999
121 8.26 -82.00 4.47 -82.00 -16.46 79.90 -12.01 150.23 0.4035 -1343.3 999999
122 3.36 -82.00 1.81 -82.00 -15.85 79.91 -12.00 149.44 0.3950 -1197.0 999999
123 0.00 1.00 0.00 0.55 -19.50 79.39 -12.52 152.81 0.4490 846.0 630.2
124 0.00 1.36 0.00 0.76 -19.73 79.34 -12.57 152.97 0.4526 729.0 581.9
125 0.00 3.54 0.00 1.95 -18.70 79.39 -12.52 151.92 0.4381 -410.0 -482.8
126 2.63 -82.00 1.43 -82.00 -16.31 79.49 -12.42 149.19 0.4047 -757.2 999999
127 1.45 -82.00 0.78 -82.00 -15.79 79.52 -12.39 148.56 0.3974 -1133.3 999999
128 0.00 1.09 0.00 0.57 -11.78 79.71 -12.20 142.65 0.3425 -732.0 -568.4
129 13.34 -82.00 7.16 -82.00 -14.95 79.51 -12.40 147.35 0.3862 -1115.5 999999
130 1.18 -82.00 0.64 -82.00 -16.05 79.38 -12.53 148.62 0.4021 -782.2 999999
131 0.00 2.00 0.00 1.08 -15.47 79.32 -12.59 147.69 0.3948 -1139.0 -1025.9
132 1.54 32.68 0.83 17.45 -14.27 79.36 -12.55 146.03 0.3786 -953.6 -651.9
133 0.00 1.09 0.00 0.60 -19.47 78.96 -12.95 152.00 0.4517 634.0 533.2
134 3.00 -82.00 1.61 -82.00 -15.18 79.24 -12.67 147.12 0.3916 -982.6 999999
135 0.00 2.00 0.00 1.07 -14.57 79.24 -12.67 146.23 0.3834 -952.0 -695.6
136 2.18 -82.00 1.17 -82.00 -15.31 79.07 -12.84 146.96 0.3949 -1038.5 999999
137 0.00 1.00 0.00 0.55 -19.34 78.78 -13.13 151.51 0.4514 615.0 497.7
138 0.64 5.54 0.34 2.96 -13.77 79.09 -12.81 144.69 0.3743 -1135.9 -855.8
139 4.18 -82.00 2.27 -82.00 -16.87 78.87 -13.04 148.70 0.4174 -664.0 999999
140 0.00 0.91 0.00 0.48 -11.79 79.17 -12.74 141.46 0.3481 -968.0 -722.6
141 0.00 1.18 0.00 0.63 -14.96 78.96 -12.95 146.23 0.3911 -215.0 -194.8
142 6.44 -82.00 3.48 -82.00 -15.35 78.81 -13.10 146.49 0.3977 -909.2 999999
143 0.00 0.45 0.00 0.25 -18.61 78.57 -13.34 150.30 0.4432 -436.0 -411.2
144 0.00 1.54 0.00 0.83 -14.06 78.82 -13.09 144.58 0.3807 -1026.0 -893.9
145 2.36 12.80 1.26 6.83 -13.48 78.79 -13.12 143.59 0.3735 -1093.7 -806.7
146 2.90 -82.00 1.58 -82.00 -16.42 78.57 -13.34 147.53 0.4139 -987.7 999999
147 0.00 15.70 0.00 8.66 -18.42 78.39 -13.52 149.74 0.4420 -403.0 -552.8
148 1.09 4.08 0.58 2.19 -14.32 78.64 -13.27 144.62 0.3857 -834.8 -665.8
149 1.18 -145.00 0.63 -145.00 -13.36 78.57 -13.34 142.94 0.3740 -1049.5 999999
150 0.00 1.54 0.00 0.85 -18.06 78.25 -13.66 149.05 0.4383 -863.0 -822.2
151 0.00 2.00 0.00 1.08 -15.68 78.36 -13.55 146.09 0.4060 -1023.0 -784.5
152 0.00 2.00 0.00 1.10 -17.57 78.22 -13.69 148.38 0.4320 -844.0 -719.1
153 0.00 4.54 0.00 2.50 -17.87 78.04 -13.87 148.41 0.4375 -575.0 -799.9
154 0.00 2.90 0.00 1.58 -15.97 78.05 -13.86 145.91 0.4126 -969.0 -847.5
155 0.00 1.36 0.00 0.74 -15.75 78.06 -13.85 145.61 0.4095 -925.0 -764.3
156 7.81 56.91 4.28 31.16 -17.05 77.87 -14.04 147.05 0.4282 -949.7 -685.3
157 0.00 2.18 0.00 1.20 -18.04 77.69 -14.22 148.00 0.4426 -758.0 -641.0
158 0.00 2.36 0.00 1.30 -17.81 77.64 -14.27 147.63 0.4400 -1067.0 -908.0
159 2.45 12.62 1.31 6.75 -13.50 77.92 -13.99 141.85 0.3822 -811.1 -692.8
160 1.54 -156.00 0.84 -156.00 -16.70 77.54 -14.37 145.96 0.4266 -1006.5 999999
161 0.00 3.63 0.00 1.96 -14.95 77.63 -14.28 143.60 0.4033 -1017.0 -861.7
162 0.00 1.91 0.00 1.05 -17.88 77.41 -14.50 147.29 0.4429 -783.0 -615.1
163 0.00 1.09 0.00 0.60 -17.68 77.42 -14.49 147.07 0.4402 -842.0 -750.8
164 1.00 3.09 0.54 1.68 -15.92 77.43 -14.48 144.67 0.4175 -959.6 -872.2
165 0.00 0.82 0.00 0.43 -8.70 77.77 -14.14 132.14 0.3270 -758.0 -564.1
166 0.00 4.08 0.00 2.17 -11.37 77.62 -14.29 137.45 0.3594 -800.0 -524.4
167 0.00 0.82 0.00 0.44 -14.79 77.41 -14.50 142.95 0.4034 -793.0 -626.6
168 1.00 -156.00 0.55 -156.00 -16.64 77.24 -14.67 145.35 0.4284 -1046.5 999999
169 0.00 4.90 0.00 2.60 -11.06 77.60 -14.31 136.81 0.3559 -971.0 -804.8
170 0.00 3.00 0.00 1.68 -20.07 76.94 -14.97 149.16 0.4751 -640.0 -617.6
171 0.00 1.27 0.00 0.69 -14.50 77.34 -14.57 142.35 0.4005 -766.0 -663.5
172 0.00 2.27 0.00 1.24 -15.73 77.15 -14.76 143.88 0.4177 -922.0 -882.0
173 0.00 3.63 0.00 1.97 -15.02 77.17 -14.74 142.85 0.4086 -952.0 -714.8
174 2.54 -156.00 1.39 -156.00 -16.68 77.01 -14.90 144.98 0.4310 -829.4 999999
175 0.00 1.18 0.00 0.64 -15.44 77.11 -14.80 143.37 0.4145 -842.0 -727.7
176 0.00 3.36 0.00 1.84 -16.22 76.95 -14.96 144.22 0.4258 -747.0 -651.1
177 0.00 2.45 0.00 1.34 -15.90 76.97 -14.94 143.80 0.4215 -410.0 -589.1
178 0.00 0.54 0.00 0.30 -15.15 77.00 -14.91 142.73 0.4119 -762.0 -755.2
179 0.00 1.18 0.00 0.65 -16.65 76.62 -15.29 144.25 0.4342 -731.0 -605.3
180 29.95 200.97 16.09 108.03 -13.04 76.78 -15.13 138.89 0.3883 -1309.6 -345.4
181 0.00 1.63 0.00 0.86 -8.22 77.03 -14.88 129.55 0.3312 -804.0 -694.1
182 0.00 7.81 0.00 4.26 -15.65 76.53 -15.38 142.64 0.4225 -816.0 -747.7
183 4.27 -180.00 2.30 -180.00 -13.55 76.65 -15.26 139.53 0.3958 -883.0 999999
184 0.00 1.82 0.00 1.00 -16.07 76.27 -15.64 142.81 0.4303 -792.0 -632.1
185 0.00 1.09 0.00 0.59 -15.30 76.23 -15.68 141.58 0.4212 -710.0 -559.2
186 0.00 1.09 0.00 0.60 -17.38 75.89 -16.02 144.02 0.4500 782.0 566.1
187 0.00 1.18 0.00 0.65 -16.41 75.81 -16.10 142.50 0.4388 -660.0 -564.9
188 0.00 0.82 0.00 0.45 -15.01 75.93 -15.98 140.60 0.4208 -815.0 -574.9
189 0.00 2.45 0.00 1.34 -15.05 75.76 -16.15 140.37 0.4229 -610.0 -474.9
190 1.00 3.90 0.55 2.16 -16.54 75.54 -16.37 142.23 0.4431 -941.7 -664.1
191 0.00 0.91 0.00 0.51 -18.19 75.05 -16.86 143.72 0.4676 -760.0 -639.5
192 0.00 0.91 0.00 0.50 -14.75 73.27 -18.64 135.86 0.4456 -751.0 -616.8


  • 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.