SDO HMI 2014-05-14 01:00:37 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 143.93 | 783.15 | 73.57 | 400.37 | -14.37 | 228.23 | -7.15 | 151.73 | 0.2395 | 166.9 | 85.5 | |
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See sunspots with tool (Click here to study sunspot positions and configurations with tool using white-light and magnetogram images and polarity drawing) (It is recommended to set high resolution on your display!) |
| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 0.90 | 0.00 | 0.46 | -8.92 | 247.51 | 12.12 | 242.60 | 0.2348 | 772.0 | 606.6 | |
| 0.00 | 1.35 | 0.00 | 0.67 | -7.19 | 242.20 | 6.81 | 236.87 | 0.1411 | 687.0 | 601.7 | |
| 0.00 | 1.08 | 0.00 | 0.54 | -11.34 | 241.47 | 6.08 | 214.94 | 0.1821 | 739.0 | 617.2 | |
| 0.00 | 0.99 | 0.00 | 0.50 | -13.55 | 241.45 | 6.07 | 208.82 | 0.2141 | 765.0 | 632.5 | |
| 0.00 | 1.53 | 0.00 | 0.77 | -11.92 | 241.32 | 5.94 | 212.52 | 0.1891 | 905.0 | 756.1 | |
| 0.00 | 0.90 | 0.00 | 0.45 | -6.84 | 238.89 | 3.50 | 220.73 | 0.0933 | 965.0 | 796.4 | |
| 0.00 | 3.23 | 0.00 | 1.61 | -8.33 | 238.04 | 2.65 | 205.43 | 0.1071 | 642.0 | 670.2 | |
| 0.00 | 1.17 | 0.00 | 0.58 | -10.80 | 236.76 | 1.37 | 189.60 | 0.1417 | 930.0 | 755.3 | |
| 0.00 | 1.17 | 0.00 | 0.58 | -6.14 | 236.66 | 1.27 | 200.74 | 0.0625 | 975.0 | 790.1 | |
| 0.00 | 1.70 | 0.00 | 0.85 | -11.53 | 236.58 | 1.19 | 187.63 | 0.1538 | 898.0 | 736.5 | |
| 0.00 | 2.69 | 0.00 | 1.34 | -10.00 | 236.05 | 0.66 | 185.19 | 0.1264 | 823.0 | 695.6 | |
| 0.00 | 1.08 | 0.00 | 0.54 | -10.40 | 235.77 | 0.38 | 182.86 | 0.1329 | 840.0 | 579.0 | |
| 0.00 | 1.97 | 0.00 | 0.99 | -13.13 | 235.74 | 0.35 | 181.92 | 0.1801 | 1064.0 | 797.8 | |
| 0.00 | 1.17 | 0.00 | 0.58 | -11.01 | 235.56 | 0.17 | 181.16 | 0.1434 | 893.0 | 640.1 | |
| 0.00 | 0.63 | 0.00 | 0.32 | -13.37 | 235.55 | 0.17 | 180.89 | 0.1843 | 923.0 | 651.1 | |
| 1.08 | 4.04 | 0.54 | 2.04 | -13.53 | 235.37 | -0.02 | 179.90 | 0.1869 | 1169.5 | 887.7 | |
| 0.00 | 2.60 | 0.00 | 1.30 | -9.64 | 235.16 | -0.23 | 178.10 | 0.1195 | 897.0 | 689.7 | |
| 0.00 | 1.08 | 0.00 | 0.53 | -5.11 | 235.13 | -0.25 | 173.77 | 0.0406 | 896.0 | 647.8 | |
| 0.00 | 3.41 | 0.00 | 1.71 | -10.98 | 235.06 | -0.32 | 177.76 | 0.1429 | 863.0 | 763.7 | |
| 0.00 | 1.88 | 0.00 | 0.94 | -9.91 | 235.03 | -0.35 | 177.19 | 0.1244 | 1107.0 | 932.7 | |
| 0.00 | 2.06 | 0.00 | 1.03 | -10.12 | 234.91 | -0.48 | 176.32 | 0.1282 | 984.0 | 785.0 | |
| 0.00 | 1.26 | 0.00 | 0.62 | -5.11 | 234.89 | -0.50 | 167.90 | 0.0413 | 923.0 | 733.2 | |
| 0.00 | 1.26 | 0.00 | 0.64 | -14.48 | 234.71 | -0.68 | 176.76 | 0.2037 | 937.0 | 788.1 | |
| 0.00 | 1.70 | 0.00 | 0.86 | -14.27 | 234.71 | -0.68 | 176.70 | 0.2000 | 690.0 | 621.8 | |
| 0.00 | 7.63 | 0.00 | 3.78 | -5.26 | 234.62 | -0.77 | 162.65 | 0.0450 | 1147.0 | 918.1 | |
| 0.00 | 0.81 | 0.00 | 0.41 | -15.38 | 234.58 | -0.81 | 176.43 | 0.2192 | 688.0 | 490.3 | |
| 0.00 | 1.17 | 0.00 | 0.58 | -10.12 | 234.51 | -0.88 | 173.26 | 0.1288 | 786.0 | 589.1 | |
| 0.00 | 9.06 | 0.00 | 4.53 | -10.43 | 234.48 | -0.91 | 173.29 | 0.1342 | 887.0 | 768.2 | |
| 0.00 | 0.99 | 0.00 | 0.49 | -11.44 | 234.47 | -0.91 | 174.06 | 0.1516 | 860.0 | 706.2 | |
| 0.00 | 2.78 | 0.00 | 1.38 | -6.90 | 234.46 | -0.93 | 167.32 | 0.0734 | 672.0 | 456.8 | |
| 0.00 | 0.99 | 0.00 | 0.50 | -15.38 | 234.08 | -1.31 | 174.22 | 0.2198 | 703.0 | 572.0 | |
| 0.00 | 0.72 | 0.00 | 0.36 | -4.92 | 234.04 | -1.35 | 147.66 | 0.0440 | 764.0 | 586.0 | |
| 0.00 | 1.35 | 0.00 | 0.70 | -19.83 | 233.59 | -1.80 | 174.24 | 0.2956 | 807.0 | 597.3 | |
| 0.00 | 1.26 | 0.00 | 0.62 | -4.92 | 233.61 | -1.77 | 140.19 | 0.0483 | 960.0 | 738.4 | |
| 0.00 | 3.50 | 0.00 | 1.75 | -10.67 | 233.43 | -1.96 | 166.22 | 0.1415 | 767.0 | 547.4 | |
| 2.24 | 4.22 | 1.12 | 2.11 | -10.52 | 233.15 | -2.23 | 164.06 | 0.1402 | 937.2 | 705.8 | |
| 0.00 | 4.76 | 0.00 | 2.38 | -10.88 | 231.88 | -3.50 | 156.88 | 0.1535 | -441.0 | -606.0 | |
| 0.00 | 1.08 | 0.00 | 0.54 | -10.21 | 231.61 | -3.77 | 153.33 | 0.1449 | -913.0 | -649.1 | |
| 0.00 | 1.97 | 0.00 | 0.99 | -10.82 | 231.51 | -3.87 | 154.56 | 0.1551 | -833.0 | -654.4 | |
| 0.00 | 4.76 | 0.00 | 2.38 | -10.42 | 231.40 | -3.99 | 152.69 | 0.1499 | -1158.0 | -943.5 | |
| 0.00 | 1.88 | 0.00 | 0.95 | -10.78 | 231.30 | -4.09 | 153.24 | 0.1563 | -936.0 | -810.2 | |
| 0.00 | 1.26 | 0.00 | 0.63 | -12.10 | 230.72 | -4.67 | 153.79 | 0.1810 | -819.0 | -578.6 | |
| 0.00 | 0.99 | 0.00 | 0.50 | -11.98 | 230.63 | -4.76 | 153.03 | 0.1798 | -884.0 | -719.5 | |
| 20.73 | 378.41 | 10.52 | 192.17 | -14.32 | 230.52 | -4.87 | 157.61 | 0.2170 | 1303.0 | 425.3 | |
| 0.00 | 1.08 | 0.00 | 0.54 | -11.76 | 230.35 | -5.03 | 151.13 | 0.1787 | -819.0 | -670.2 | |
| 17.32 | -44.00 | 8.78 | -44.00 | -14.01 | 230.27 | -5.11 | 156.01 | 0.2137 | 1546.3 | 999999 | |
| 9.87 | -44.00 | 5.01 | -44.00 | -14.34 | 230.11 | -5.28 | 156.00 | 0.2202 | 1197.2 | 999999 | |
| 0.00 | 1.70 | 0.00 | 0.86 | -12.00 | 230.16 | -5.23 | 150.89 | 0.1840 | -751.0 | -650.7 | |
| 9.24 | -44.00 | 4.69 | -44.00 | -14.19 | 229.89 | -5.50 | 154.83 | 0.2193 | 1143.7 | 999999 | |
| 0.00 | 1.44 | 0.00 | 0.73 | -15.67 | 229.79 | -5.60 | 157.15 | 0.2430 | 549.0 | 337.4 | |
| 0.00 | 1.17 | 0.00 | 0.59 | -11.85 | 229.76 | -5.63 | 148.63 | 0.1852 | -1128.0 | -895.1 | |
| 0.00 | 2.87 | 0.00 | 1.46 | -15.30 | 229.61 | -5.78 | 155.85 | 0.2384 | 782.0 | 586.9 | |
| 30.96 | -44.00 | 15.75 | -44.00 | -14.40 | 229.26 | -6.13 | 152.80 | 0.2273 | 1091.6 | 999999 | |
| 0.00 | 2.78 | 0.00 | 1.43 | -17.54 | 229.09 | -6.30 | 157.68 | 0.2765 | 575.0 | 633.3 | |
| 2.24 | -44.00 | 1.14 | -44.00 | -14.00 | 228.83 | -6.56 | 150.31 | 0.2248 | 995.1 | 999999 | |
| 0.00 | 1.44 | 0.00 | 0.72 | -11.20 | 228.78 | -6.61 | 142.35 | 0.1856 | -795.0 | -678.2 | |
| 0.00 | 0.36 | 0.00 | 0.18 | -11.50 | 228.77 | -6.61 | 143.32 | 0.1898 | -708.0 | -583.5 | |
| 1.44 | -44.00 | 0.73 | -44.00 | -13.75 | 228.65 | -6.74 | 149.06 | 0.2227 | 1092.1 | 999999 | |
| 1.79 | 28.80 | 0.92 | 14.73 | -15.39 | 228.22 | -7.17 | 151.11 | 0.2503 | -1033.3 | -198.8 | |
| 0.00 | 5.20 | 0.00 | 2.64 | -13.10 | 228.29 | -7.10 | 146.10 | 0.2167 | 859.0 | 725.9 | |
| 2.96 | -59.00 | 1.52 | -59.00 | -15.54 | 228.18 | -7.21 | 151.30 | 0.2529 | -1045.5 | 999999 | |
| 0.00 | 2.33 | 0.00 | 1.19 | -14.49 | 228.12 | -7.27 | 148.88 | 0.2380 | 849.0 | 623.5 | |
| 0.00 | 0.81 | 0.00 | 0.41 | -14.48 | 227.93 | -7.46 | 148.23 | 0.2396 | 511.0 | 396.1 | |
| 1.26 | 3.59 | 0.64 | 1.83 | -14.92 | 227.76 | -7.63 | 148.61 | 0.2474 | 898.5 | 642.8 | |
| 0.00 | 6.55 | 0.00 | 3.35 | -15.10 | 227.43 | -7.95 | 147.96 | 0.2529 | -298.0 | -357.0 | |
| 0.00 | 1.62 | 0.00 | 0.82 | -11.83 | 227.55 | -7.84 | 139.69 | 0.2073 | -914.0 | -703.3 | |
| 0.00 | 1.44 | 0.00 | 0.73 | -13.74 | 227.49 | -7.90 | 144.92 | 0.2334 | -484.0 | -439.2 | |
| 0.00 | 4.67 | 0.00 | 2.37 | -12.57 | 227.43 | -7.96 | 141.53 | 0.2181 | -981.0 | -851.1 | |
| 0.00 | 2.69 | 0.00 | 1.36 | -12.14 | 227.41 | -7.97 | 140.18 | 0.2127 | -888.0 | -720.1 | |
| 0.00 | 1.08 | 0.00 | 0.55 | -12.29 | 226.59 | -8.79 | 137.89 | 0.2238 | -943.0 | -766.4 | |
| 0.00 | 1.44 | 0.00 | 0.73 | -12.44 | 226.56 | -8.83 | 138.24 | 0.2261 | -974.0 | -765.6 | |
| 0.00 | 0.99 | 0.00 | 0.50 | -13.20 | 226.18 | -9.20 | 139.31 | 0.2399 | 553.0 | 296.9 | |
| 0.00 | 1.97 | 0.00 | 1.01 | -15.15 | 226.00 | -9.38 | 143.72 | 0.2671 | -984.0 | -838.6 | |
| 0.00 | 1.26 | 0.00 | 0.64 | -12.10 | 226.13 | -9.26 | 135.86 | 0.2269 | -816.0 | -636.4 | |
| 0.00 | 1.44 | 0.00 | 0.74 | -14.69 | 225.96 | -9.42 | 142.51 | 0.2614 | -816.0 | -557.3 | |
| 0.00 | 1.62 | 0.00 | 0.82 | -10.99 | 225.89 | -9.50 | 131.44 | 0.2171 | -761.0 | -623.6 | |
| 0.00 | 3.14 | 0.00 | 1.61 | -14.59 | 225.55 | -9.83 | 141.11 | 0.2644 | -1008.0 | -828.6 | |
| 1.08 | 39.12 | 0.56 | 20.20 | -15.73 | 225.40 | -9.98 | 143.37 | 0.2809 | -1002.1 | -413.1 | |
| 1.26 | -78.00 | 0.65 | -78.00 | -16.14 | 225.38 | -10.01 | 144.19 | 0.2865 | -909.1 | 999999 | |
| 2.06 | 17.41 | 1.06 | 8.90 | -13.35 | 225.45 | -9.94 | 137.58 | 0.2500 | -1142.9 | -683.6 | |
| 1.53 | -78.00 | 0.79 | -78.00 | -15.95 | 225.33 | -10.06 | 143.64 | 0.2846 | -1123.1 | 999999 | |
| 2.33 | -80.00 | 1.19 | -80.00 | -13.54 | 225.35 | -10.04 | 137.80 | 0.2534 | -1093.3 | 999999 | |
| 0.00 | 2.06 | 0.00 | 1.05 | -12.52 | 225.17 | -10.22 | 134.38 | 0.2434 | -818.0 | -702.2 | |
| 6.64 | 23.42 | 3.41 | 12.04 | -14.34 | 224.99 | -10.39 | 138.94 | 0.2673 | -1227.0 | -658.2 | |
| 0.00 | 2.06 | 0.00 | 1.06 | -12.76 | 225.00 | -10.38 | 134.65 | 0.2482 | -875.0 | -677.5 | |
| 0.00 | 2.06 | 0.00 | 1.07 | -16.94 | 224.69 | -10.69 | 144.08 | 0.3039 | -711.0 | -455.7 | |
| 0.00 | 1.35 | 0.00 | 0.70 | -17.35 | 224.67 | -10.72 | 144.83 | 0.3095 | -696.0 | -545.5 | |
| 2.06 | -84.00 | 1.06 | -84.00 | -14.33 | 224.77 | -10.62 | 138.34 | 0.2697 | -1119.9 | 999999 | |
| 0.00 | 1.97 | 0.00 | 1.02 | -15.51 | 224.71 | -10.68 | 141.04 | 0.2851 | -890.0 | -800.8 | |
| 0.00 | 1.35 | 0.00 | 0.70 | -16.66 | 224.58 | -10.81 | 143.23 | 0.3013 | -949.0 | -791.7 | |
| 0.00 | 0.81 | 0.00 | 0.41 | -13.78 | 224.67 | -10.72 | 136.62 | 0.2641 | -863.0 | -646.1 | |
| 0.00 | 1.53 | 0.00 | 0.79 | -15.45 | 224.52 | -10.86 | 140.41 | 0.2863 | -1046.0 | -899.5 | |
| 0.81 | 3.59 | 0.42 | 1.85 | -14.73 | 224.46 | -10.92 | 138.55 | 0.2781 | -970.2 | -828.6 | |
| 0.00 | 12.74 | 0.00 | 6.60 | -15.82 | 224.40 | -10.98 | 140.96 | 0.2923 | -858.0 | -804.6 | |
| 0.00 | 2.33 | 0.00 | 1.21 | -15.26 | 224.40 | -10.98 | 139.67 | 0.2853 | -809.0 | -696.7 | |
| 0.00 | 2.51 | 0.00 | 1.30 | -16.25 | 224.32 | -11.07 | 141.70 | 0.2988 | -797.0 | -595.7 | |
| 2.33 | 4.67 | 1.20 | 2.40 | -14.33 | 224.39 | -11.00 | 137.35 | 0.2740 | -1146.2 | -834.7 | |
| 0.00 | 1.26 | 0.00 | 0.65 | -13.93 | 224.35 | -11.04 | 136.19 | 0.2697 | -1025.0 | -689.1 | |
| 0.00 | 0.90 | 0.00 | 0.46 | -14.54 | 224.09 | -11.30 | 137.14 | 0.2800 | -758.0 | -594.7 | |
| 0.00 | 1.35 | 0.00 | 0.70 | -15.44 | 223.98 | -11.41 | 139.04 | 0.2922 | -817.0 | -686.9 | |
| 2.87 | 12.20 | 1.49 | 6.33 | -15.69 | 223.67 | -11.71 | 138.88 | 0.2985 | -1041.7 | -762.4 | |
| 0.00 | 4.22 | 0.00 | 2.17 | -13.67 | 223.79 | -11.60 | 134.13 | 0.2734 | -962.0 | -820.2 | |
| 0.00 | 1.26 | 0.00 | 0.65 | -14.94 | 223.65 | -11.73 | 137.07 | 0.2897 | -898.0 | -743.0 | |
| 0.00 | 1.08 | 0.00 | 0.55 | -12.72 | 223.67 | -11.71 | 131.17 | 0.2642 | -835.0 | -767.1 | |
| 2.24 | -101.00 | 1.16 | -101.00 | -15.56 | 223.49 | -11.90 | 138.15 | 0.2990 | -1028.4 | 999999 | |
| 0.45 | 2.42 | 0.23 | 1.26 | -15.12 | 223.42 | -11.97 | 136.96 | 0.2946 | -1060.4 | -914.9 | |
| 0.00 | 4.76 | 0.00 | 2.46 | -14.50 | 223.39 | -12.00 | 135.36 | 0.2877 | -1025.0 | -915.6 | |
| 0.00 | 2.78 | 0.00 | 1.43 | -13.67 | 223.44 | -11.95 | 133.29 | 0.2776 | -883.0 | -768.9 | |
| 0.00 | 1.44 | 0.00 | 0.74 | -15.00 | 223.27 | -12.12 | 136.30 | 0.2949 | -979.0 | -751.2 | |
| 0.00 | 1.08 | 0.00 | 0.56 | -15.22 | 223.25 | -12.13 | 136.80 | 0.2976 | -684.0 | -589.8 | |
| 0.00 | 0.72 | 0.00 | 0.37 | -14.84 | 223.15 | -12.24 | 135.65 | 0.2944 | -833.0 | -769.1 | |
| 0.00 | 1.70 | 0.00 | 0.88 | -14.69 | 223.06 | -12.33 | 135.06 | 0.2937 | -873.0 | -616.5 | |
| 5.20 | 44.24 | 2.73 | 23.19 | -17.33 | 222.86 | -12.53 | 140.57 | 0.3275 | 1190.4 | 510.7 | |
| 0.00 | 1.79 | 0.00 | 0.95 | -18.84 | 222.58 | -12.81 | 142.89 | 0.3492 | -1047.0 | -860.2 | |
| 0.00 | 4.04 | 0.00 | 2.09 | -14.44 | 222.79 | -12.60 | 133.82 | 0.2941 | -757.0 | -603.9 | |
| 10.77 | -113.00 | 5.65 | -113.00 | -17.20 | 222.57 | -12.81 | 139.70 | 0.3290 | 1182.0 | 999999 | |
| 0.00 | 2.42 | 0.00 | 1.28 | -18.90 | 222.25 | -13.14 | 142.31 | 0.3533 | -863.0 | -698.9 | |
| 1.17 | -113.00 | 0.61 | -113.00 | -17.39 | 222.33 | -13.06 | 139.56 | 0.3338 | 819.1 | 999999 | |
| 0.00 | 1.62 | 0.00 | 0.86 | -19.17 | 221.66 | -13.72 | 141.64 | 0.3626 | -778.0 | -619.2 | |
| 0.00 | 1.08 | 0.00 | 0.59 | -25.05 | 220.85 | -14.54 | 149.10 | 0.4446 | 749.0 | 534.0 | |
| 0.00 | 1.17 | 0.00 | 0.61 | -15.83 | 220.30 | -15.09 | 132.19 | 0.3395 | -922.0 | -728.2 | |
| 0.00 | 0.72 | 0.00 | 0.39 | -19.84 | 219.17 | -16.22 | 138.28 | 0.3965 | -784.0 | -696.9 | |
| 0.00 | 0.99 | 0.00 | 0.54 | -20.62 | 218.31 | -17.08 | 138.24 | 0.4145 | -858.0 | -753.4 | |
| 0.00 | 0.90 | 0.00 | 0.49 | -20.52 | 218.08 | -17.31 | 137.71 | 0.4158 | -696.0 | -504.7 | |
| 0.00 | 1.70 | 0.00 | 0.93 | -20.23 | 217.84 | -17.54 | 136.84 | 0.4152 | -750.0 | -658.9 | |
| 0.00 | 0.90 | 0.00 | 0.47 | -14.03 | 218.15 | -17.23 | 124.41 | 0.3499 | -849.0 | -769.8 | |
| 0.00 | 0.90 | 0.00 | 0.49 | -21.98 | 217.32 | -18.07 | 138.98 | 0.4401 | -608.0 | -421.0 | |
| 0.00 | 1.35 | 0.00 | 0.74 | -20.27 | 216.58 | -18.81 | 135.02 | 0.4296 | -778.0 | -657.0 | |
| 0.00 | 0.54 | 0.00 | 0.29 | -16.67 | 216.16 | -19.23 | 127.52 | 0.3995 | -739.0 | -542.8 | |
| 0.00 | 1.08 | 0.00 | 0.61 | -23.59 | 215.02 | -20.36 | 138.28 | 0.4811 | -648.0 | -513.8 | |
| 0.00 | 0.99 | 0.00 | 0.55 | -20.79 | 215.24 | -20.15 | 134.06 | 0.4499 | -587.0 | -428.2 | |
| 0.00 | 2.51 | 0.00 | 1.45 | -23.45 | 211.30 | -24.09 | 133.60 | 0.5191 | -685.0 | -569.0 | |
| 0.00 | 0.99 | 0.00 | 0.62 | -26.66 | 204.93 | -30.45 | 132.19 | 0.6135 | -624.0 | -605.8 | |
| 0.00 | 0.81 | 0.00 | 0.51 | -27.12 | 204.52 | -30.87 | 132.46 | 0.6212 | -708.0 | -593.0 | |
| 0.00 | 1.53 | 0.00 | 0.96 | -26.95 | 204.53 | -30.86 | 132.25 | 0.6198 | -766.0 | -557.4 | |
| 0.00 | 0.81 | 0.00 | 0.51 | -27.28 | 204.31 | -31.08 | 132.51 | 0.6246 | -583.0 | -496.1 | |
| Proj. U | - Projected umbra area in millionths of solar disc, negative values indicate | |
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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. |
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| Proj. WS | - Projected whole spot area in millionths of solar disc, negative values indicate | |
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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. |
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| 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. | |