SDO HMI 2014-05-12 05:00:37 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 136.19 | 604.00 | 82.25 | 362.65 | -14.73 | 227.06 | -32.58 | 112.01 | 0.5629 | 96.8 | 7.7 | |
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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 | 1.08 | 0.00 | 0.55 | -6.41 | 248.03 | -11.60 | 106.86 | 0.2098 | 728.0 | 557.0 | |
| 0.00 | 1.08 | 0.00 | 0.55 | -3.79 | 247.12 | -12.51 | 94.00 | 0.2177 | 743.0 | 511.2 | |
| 0.00 | 1.08 | 0.00 | 0.56 | -10.87 | 242.63 | -17.00 | 115.86 | 0.3205 | 843.0 | 718.2 | |
| 0.00 | 2.24 | 0.00 | 1.17 | -10.74 | 242.41 | -17.22 | 115.23 | 0.3230 | 783.0 | 699.5 | |
| 0.00 | 0.63 | 0.00 | 0.33 | -12.16 | 241.18 | -18.45 | 117.62 | 0.3507 | 728.0 | 611.4 | |
| 0.00 | 0.72 | 0.00 | 0.38 | -8.13 | 241.01 | -18.63 | 106.25 | 0.3308 | 824.0 | 794.2 | |
| 0.00 | 0.99 | 0.00 | 0.52 | -8.18 | 240.52 | -19.12 | 106.04 | 0.3387 | 796.0 | 624.3 | |
| 0.00 | 1.08 | 0.00 | 0.57 | -10.06 | 239.66 | -19.97 | 110.53 | 0.3607 | 725.0 | 688.4 | |
| 0.00 | 0.90 | 0.00 | 0.48 | -11.70 | 239.41 | -20.22 | 114.53 | 0.3737 | 472.0 | 351.0 | |
| 0.00 | 1.52 | 0.00 | 0.87 | -19.74 | 235.12 | -24.52 | 126.83 | 0.4899 | 649.0 | 514.5 | |
| 0.00 | 3.86 | 0.00 | 2.12 | -12.68 | 235.88 | -23.76 | 113.69 | 0.4310 | 502.0 | 590.0 | |
| 1.26 | 6.01 | 0.69 | 3.28 | -11.48 | 235.89 | -23.74 | 111.04 | 0.4245 | 929.7 | 825.9 | |
| 0.00 | 1.26 | 0.00 | 0.68 | -7.88 | 235.93 | -23.70 | 102.66 | 0.4098 | 595.0 | 507.4 | |
| 0.00 | 2.15 | 0.00 | 1.17 | -9.82 | 235.70 | -23.94 | 107.13 | 0.4201 | 716.0 | 605.2 | |
| 0.00 | 1.35 | 0.00 | 0.75 | -16.03 | 234.87 | -24.77 | 119.74 | 0.4656 | 873.0 | 761.5 | |
| 0.00 | 0.99 | 0.00 | 0.54 | -9.88 | 235.46 | -24.18 | 107.12 | 0.4240 | 824.0 | 733.0 | |
| 0.00 | 1.70 | 0.00 | 0.93 | -7.60 | 235.62 | -24.02 | 101.85 | 0.4140 | 833.0 | 702.0 | |
| 0.00 | 0.99 | 0.00 | 0.55 | -14.35 | 234.88 | -24.76 | 116.41 | 0.4549 | 871.0 | 666.4 | |
| 0.00 | 1.52 | 0.00 | 0.83 | -7.32 | 235.50 | -24.14 | 101.14 | 0.4151 | 940.0 | 613.2 | |
| 0.00 | 0.90 | 0.00 | 0.49 | -9.42 | 235.36 | -24.28 | 106.01 | 0.4238 | 737.0 | 624.4 | |
| 0.00 | 0.72 | 0.00 | 0.39 | -7.19 | 235.11 | -24.53 | 100.69 | 0.4210 | 582.0 | 461.5 | |
| 0.00 | 3.50 | 0.00 | 1.92 | -9.53 | 234.91 | -24.73 | 106.02 | 0.4310 | 777.0 | 630.9 | |
| 0.00 | 0.99 | 0.00 | 0.54 | -4.76 | 235.12 | -24.51 | 94.90 | 0.4167 | 784.0 | 663.5 | |
| 5.47 | 8.79 | 3.02 | 4.85 | -11.45 | 234.57 | -25.06 | 110.08 | 0.4439 | 1026.1 | 795.0 | |
| 0.00 | 1.52 | 0.00 | 0.84 | -11.07 | 234.30 | -25.34 | 109.10 | 0.4463 | 667.0 | 400.4 | |
| 0.99 | 3.14 | 0.55 | 1.74 | -11.53 | 234.12 | -25.52 | 109.97 | 0.4509 | 811.5 | 598.4 | |
| 0.00 | 0.99 | 0.00 | 0.56 | -16.14 | 233.24 | -26.39 | 118.59 | 0.4882 | 813.0 | 649.8 | |
| 0.00 | 1.08 | 0.00 | 0.60 | -9.63 | 233.88 | -25.75 | 105.72 | 0.4469 | 593.0 | 446.5 | |
| 0.00 | 5.47 | 0.00 | 3.08 | -13.94 | 233.19 | -26.44 | 114.30 | 0.4761 | 1091.0 | 781.2 | |
| 0.72 | 1.97 | 0.40 | 1.10 | -10.20 | 233.56 | -26.08 | 106.80 | 0.4538 | 758.0 | 558.4 | |
| 0.00 | 1.08 | 0.00 | 0.61 | -14.83 | 232.94 | -26.70 | 115.85 | 0.4846 | 639.0 | 486.0 | |
| 0.00 | 1.17 | 0.00 | 0.65 | -11.60 | 233.11 | -26.52 | 109.50 | 0.4660 | 669.0 | 442.6 | |
| 0.00 | 1.17 | 0.00 | 0.65 | -11.08 | 233.10 | -26.54 | 108.41 | 0.4640 | 649.0 | 432.5 | |
| 0.00 | 0.99 | 0.00 | 0.55 | -10.34 | 233.13 | -26.50 | 106.89 | 0.4606 | 567.0 | 452.8 | |
| 0.45 | 1.61 | 0.25 | 0.91 | -12.64 | 232.83 | -26.81 | 111.45 | 0.4748 | 871.0 | 708.9 | |
| 0.00 | 0.81 | 0.00 | 0.45 | -5.20 | 233.08 | -26.55 | 95.63 | 0.4492 | 690.0 | 572.2 | |
| 0.00 | 0.99 | 0.00 | 0.56 | -13.70 | 232.14 | -27.50 | 113.11 | 0.4897 | 610.0 | 456.3 | |
| 0.00 | 1.35 | 0.00 | 0.77 | -14.93 | 231.93 | -27.70 | 115.32 | 0.4989 | 724.0 | 699.7 | |
| 0.00 | 0.63 | 0.00 | 0.36 | -13.11 | 232.04 | -27.60 | 111.90 | 0.4883 | 549.0 | 423.0 | |
| 0.00 | 1.26 | 0.00 | 0.70 | -4.17 | 232.07 | -27.57 | 93.28 | 0.4642 | 757.0 | 530.2 | |
| 0.00 | 0.99 | 0.00 | 0.55 | -7.72 | 231.83 | -27.80 | 100.81 | 0.4725 | -246.0 | -293.7 | |
| 0.00 | 0.90 | 0.00 | 0.51 | -8.76 | 230.88 | -28.76 | 102.66 | 0.4893 | 535.0 | 475.7 | |
| 0.00 | 1.35 | 0.00 | 0.77 | -10.37 | 230.66 | -28.98 | 105.79 | 0.4972 | -728.0 | -627.1 | |
| 0.00 | 0.99 | 0.00 | 0.57 | -14.73 | 230.00 | -29.64 | 113.69 | 0.5244 | 703.0 | 528.0 | |
| 0.00 | 2.15 | 0.00 | 1.23 | -10.91 | 230.28 | -29.35 | 106.69 | 0.5045 | -766.0 | -585.8 | |
| 0.36 | 1.52 | 0.21 | 0.88 | -11.25 | 230.10 | -29.53 | 107.25 | 0.5083 | -1010.5 | -884.7 | |
| 0.00 | 1.52 | 0.00 | 0.88 | -11.09 | 229.98 | -29.66 | 106.90 | 0.5095 | -660.0 | -587.1 | |
| 0.00 | 1.17 | 0.00 | 0.67 | -11.30 | 229.95 | -29.68 | 107.29 | 0.5106 | -723.0 | -622.3 | |
| 0.00 | 1.17 | 0.00 | 0.67 | -11.55 | 229.85 | -29.78 | 107.71 | 0.5129 | -731.0 | -614.1 | |
| 0.00 | 2.15 | 0.00 | 1.30 | -19.06 | 228.29 | -31.34 | 120.01 | 0.5699 | 786.0 | 598.1 | |
| 38.39 | 188.62 | 22.50 | 110.84 | -14.42 | 228.99 | -30.64 | 112.57 | 0.5366 | 1088.6 | 314.6 | |
| 0.00 | 2.96 | 0.00 | 1.71 | -10.89 | 229.36 | -30.28 | 106.25 | 0.5177 | -524.0 | -514.2 | |
| 2.15 | -51.00 | 1.27 | -51.00 | -14.75 | 228.72 | -30.91 | 113.01 | 0.5418 | 632.4 | 999999 | |
| 1.08 | -51.00 | 0.63 | -51.00 | -14.88 | 228.67 | -30.97 | 113.19 | 0.5432 | 540.8 | 999999 | |
| 0.00 | 1.08 | 0.00 | 0.63 | -12.84 | 228.68 | -30.96 | 109.56 | 0.5343 | -681.0 | -561.9 | |
| 4.66 | -51.00 | 2.75 | -51.00 | -14.18 | 228.19 | -31.45 | 111.71 | 0.5465 | 853.3 | 999999 | |
| 1.35 | -51.00 | 0.80 | -51.00 | -14.86 | 228.04 | -31.59 | 112.82 | 0.5515 | 234.7 | 999999 | |
| 4.75 | -51.00 | 2.82 | -51.00 | -14.18 | 227.93 | -31.70 | 111.57 | 0.5500 | 683.6 | 999999 | |
| 0.00 | 1.35 | 0.00 | 0.79 | -11.29 | 228.34 | -31.30 | 106.58 | 0.5336 | -826.0 | -677.3 | |
| 0.00 | 1.17 | 0.00 | 0.68 | -11.47 | 228.10 | -31.54 | 106.81 | 0.5376 | -824.0 | -706.2 | |
| 2.24 | 5.20 | 1.34 | 3.10 | -14.75 | 227.58 | -32.05 | 112.39 | 0.5572 | 633.5 | 397.7 | |
| 0.00 | 0.90 | 0.00 | 0.53 | -11.65 | 227.97 | -31.67 | 107.09 | 0.5400 | -721.0 | -589.0 | |
| 0.00 | 2.06 | 0.00 | 1.26 | -18.39 | 226.73 | -32.90 | 117.94 | 0.5856 | 658.0 | 469.4 | |
| 0.00 | 1.17 | 0.00 | 0.69 | -11.37 | 227.89 | -31.74 | 106.55 | 0.5402 | -758.0 | -651.8 | |
| 0.00 | 1.26 | 0.00 | 0.74 | -11.34 | 227.72 | -31.92 | 106.42 | 0.5426 | -561.0 | -476.1 | |
| 0.00 | 1.08 | 0.00 | 0.64 | -14.65 | 227.23 | -32.41 | 112.04 | 0.5615 | -263.0 | -157.9 | |
| 0.81 | 8.07 | 0.49 | 4.93 | -17.56 | 226.38 | -33.26 | 116.40 | 0.5859 | 846.1 | 712.4 | |
| 0.63 | -67.00 | 0.38 | -67.00 | -17.78 | 226.33 | -33.30 | 116.73 | 0.5876 | 836.3 | 999999 | |
| 0.00 | 1.35 | 0.00 | 0.81 | -15.29 | 226.82 | -32.82 | 112.91 | 0.5697 | 651.0 | 583.1 | |
| 0.00 | 1.08 | 0.00 | 0.65 | -16.78 | 226.50 | -33.14 | 115.21 | 0.5806 | -779.0 | -550.8 | |
| 0.00 | 1.17 | 0.00 | 0.69 | -13.10 | 227.07 | -32.57 | 109.28 | 0.5576 | -840.0 | -621.4 | |
| 0.63 | 16.50 | 0.38 | 9.96 | -15.01 | 226.72 | -32.92 | 112.39 | 0.5698 | 763.3 | 269.9 | |
| 0.00 | 1.26 | 0.00 | 0.76 | -16.65 | 226.37 | -33.26 | 114.93 | 0.5816 | -647.0 | -580.8 | |
| 0.00 | 0.90 | 0.00 | 0.54 | -13.16 | 226.87 | -32.76 | 109.29 | 0.5604 | 152.0 | 114.9 | |
| 1.26 | -72.00 | 0.76 | -72.00 | -14.94 | 226.51 | -33.13 | 112.17 | 0.5724 | 455.3 | 999999 | |
| 0.00 | 1.17 | 0.00 | 0.71 | -16.49 | 226.22 | -33.42 | 114.58 | 0.5829 | -688.0 | -615.2 | |
| 0.00 | 1.26 | 0.00 | 0.75 | -14.05 | 226.62 | -33.01 | 110.71 | 0.5672 | 392.0 | 246.1 | |
| 0.00 | 0.63 | 0.00 | 0.38 | -12.97 | 226.79 | -32.84 | 108.93 | 0.5609 | -745.0 | -565.3 | |
| 0.00 | 1.52 | 0.00 | 0.93 | -15.92 | 226.02 | -33.61 | 113.56 | 0.5829 | 614.0 | 446.4 | |
| 2.42 | 4.75 | 1.45 | 2.85 | -12.62 | 226.51 | -33.13 | 108.21 | 0.5636 | -1086.9 | -767.3 | |
| 0.00 | 5.83 | 0.00 | 3.50 | -13.08 | 226.37 | -33.27 | 108.94 | 0.5671 | -874.0 | -775.8 | |
| 0.00 | 0.99 | 0.00 | 0.60 | -15.11 | 226.02 | -33.61 | 112.22 | 0.5795 | -282.0 | -252.4 | |
| 0.00 | 1.44 | 0.00 | 0.86 | -13.29 | 226.29 | -33.34 | 109.28 | 0.5688 | -465.0 | -399.9 | |
| 1.17 | 5.02 | 0.72 | 3.10 | -17.69 | 225.43 | -34.20 | 116.09 | 0.5985 | 794.3 | 590.3 | |
| 3.41 | 6.55 | 2.09 | 4.01 | -16.60 | 225.55 | -34.09 | 114.41 | 0.5920 | 723.6 | 483.4 | |
| 0.00 | 2.87 | 0.00 | 1.76 | -15.69 | 225.46 | -34.17 | 112.89 | 0.5892 | -854.0 | -634.6 | |
| 3.95 | 35.43 | 2.39 | 21.43 | -13.74 | 225.73 | -33.90 | 109.80 | 0.5780 | -982.1 | -731.9 | |
| 3.05 | -87.00 | 1.85 | -87.00 | -13.34 | 225.73 | -33.91 | 109.12 | 0.5767 | -981.0 | 999999 | |
| 0.00 | 1.88 | 0.00 | 1.13 | -11.84 | 225.95 | -33.68 | 106.64 | 0.5687 | -419.0 | -314.8 | |
| 0.00 | 1.08 | 0.00 | 0.67 | -17.58 | 224.84 | -34.80 | 115.60 | 0.6055 | -690.0 | -489.8 | |
| 1.08 | -87.00 | 0.65 | -87.00 | -13.52 | 225.51 | -34.13 | 109.33 | 0.5803 | -772.2 | 999999 | |
| 0.00 | 1.79 | 0.00 | 1.09 | -12.62 | 225.54 | -34.10 | 107.83 | 0.5768 | -769.0 | -631.9 | |
| 3.23 | 57.31 | 1.99 | 35.17 | -15.74 | 224.95 | -34.68 | 112.73 | 0.5960 | -812.3 | -804.0 | |
| 5.11 | -93.00 | 3.14 | -93.00 | -15.36 | 224.95 | -34.68 | 112.12 | 0.5945 | -970.9 | 999999 | |
| 0.00 | 0.99 | 0.00 | 0.60 | -12.90 | 225.38 | -34.25 | 108.23 | 0.5798 | -684.0 | -491.8 | |
| 0.00 | 0.81 | 0.00 | 0.51 | -18.97 | 224.08 | -35.56 | 117.35 | 0.6214 | -838.0 | -672.0 | |
| 0.00 | 2.87 | 0.00 | 1.79 | -17.09 | 224.36 | -35.27 | 114.60 | 0.6093 | -809.0 | -728.3 | |
| 0.00 | 1.17 | 0.00 | 0.72 | -15.88 | 224.62 | -35.02 | 112.80 | 0.6009 | -747.0 | -579.8 | |
| 0.00 | 2.42 | 0.00 | 1.49 | -15.20 | 224.75 | -34.88 | 111.77 | 0.5965 | -576.0 | -648.2 | |
| 0.00 | 0.99 | 0.00 | 0.60 | -14.03 | 224.97 | -34.67 | 109.95 | 0.5893 | 220.0 | 203.9 | |
| 0.00 | 3.14 | 0.00 | 1.94 | -16.13 | 224.53 | -35.11 | 113.16 | 0.6031 | -679.0 | -547.1 | |
| 0.00 | 0.99 | 0.00 | 0.60 | -12.46 | 225.11 | -34.52 | 107.39 | 0.5821 | -565.0 | -369.4 | |
| 6.28 | -93.00 | 3.86 | -93.00 | -14.61 | 224.71 | -34.93 | 110.79 | 0.5948 | -963.4 | 999999 | |
| 0.00 | 0.45 | 0.00 | 0.28 | -16.37 | 224.36 | -35.27 | 113.47 | 0.6062 | -269.0 | -345.2 | |
| 0.00 | 2.60 | 0.00 | 1.61 | -15.94 | 224.34 | -35.30 | 112.76 | 0.6048 | -586.0 | -411.1 | |
| 0.00 | 2.24 | 0.00 | 1.42 | -18.99 | 223.60 | -36.04 | 117.13 | 0.6273 | -792.0 | -639.5 | |
| 0.00 | 1.26 | 0.00 | 0.78 | -14.72 | 224.31 | -35.33 | 110.80 | 0.6005 | -394.0 | -344.4 | |
| 0.00 | 0.90 | 0.00 | 0.61 | -25.18 | 221.35 | -38.29 | 124.66 | 0.6840 | 493.0 | 422.8 | |
| 6.91 | 9.42 | 4.42 | 6.02 | -19.29 | 223.12 | -36.51 | 117.33 | 0.6344 | -917.1 | -684.4 | |
| 0.00 | 0.99 | 0.00 | 0.64 | -20.14 | 222.89 | -36.74 | 118.47 | 0.6411 | -706.0 | -473.4 | |
| 0.00 | 1.17 | 0.00 | 0.73 | -15.02 | 223.90 | -35.74 | 111.11 | 0.6069 | -682.0 | -600.2 | |
| 0.00 | 2.42 | 0.00 | 1.51 | -15.23 | 223.82 | -35.82 | 111.42 | 0.6087 | -601.0 | -554.0 | |
| 0.00 | 2.60 | 0.00 | 1.67 | -19.47 | 222.75 | -36.88 | 117.41 | 0.6397 | -592.0 | -477.5 | |
| 0.00 | 0.45 | 0.00 | 0.28 | -15.48 | 223.65 | -35.98 | 111.73 | 0.6118 | -341.0 | -318.8 | |
| 4.57 | 24.40 | 2.85 | 15.23 | -14.80 | 223.71 | -35.92 | 110.68 | 0.6085 | -1073.3 | -720.2 | |
| 0.00 | 1.17 | 0.00 | 0.73 | -15.32 | 223.57 | -36.07 | 111.45 | 0.6123 | -538.0 | -423.1 | |
| 0.00 | 1.35 | 0.00 | 0.87 | -20.06 | 222.31 | -37.33 | 118.05 | 0.6477 | -730.0 | -603.7 | |
| 0.00 | 0.81 | 0.00 | 0.51 | -15.22 | 223.47 | -36.16 | 111.25 | 0.6132 | -477.0 | -435.1 | |
| 0.72 | -115.00 | 0.45 | -115.00 | -14.98 | 223.48 | -36.15 | 110.87 | 0.6121 | -749.4 | 999999 | |
| 9.78 | -115.00 | 6.11 | -115.00 | -14.66 | 223.39 | -36.25 | 110.33 | 0.6123 | -888.3 | 999999 | |
| 0.00 | 2.42 | 0.00 | 1.50 | -13.06 | 223.56 | -36.07 | 107.83 | 0.6047 | -712.0 | -525.4 | |
| 17.31 | 67.99 | 11.04 | 43.34 | -17.29 | 222.59 | -37.05 | 114.07 | 0.6323 | 1067.9 | 392.1 | |
| 0.00 | 1.88 | 0.00 | 1.18 | -14.84 | 223.08 | -36.56 | 110.49 | 0.6169 | -491.0 | -402.4 | |
| 0.00 | 1.08 | 0.00 | 0.69 | -17.78 | 222.23 | -37.41 | 114.64 | 0.6387 | 165.0 | 172.5 | |
| 0.00 | 1.08 | 0.00 | 0.68 | -14.95 | 222.63 | -37.01 | 110.48 | 0.6231 | -526.0 | -554.9 | |
| 0.00 | 0.90 | 0.00 | 0.57 | -14.51 | 222.64 | -37.00 | 109.81 | 0.6215 | -617.0 | -511.7 | |
| 0.00 | 2.33 | 0.00 | 1.48 | -15.56 | 222.38 | -37.26 | 111.34 | 0.6284 | -599.0 | -456.7 | |
| 0.00 | 1.08 | 0.00 | 0.68 | -14.72 | 222.20 | -37.44 | 109.96 | 0.6278 | -483.0 | -371.8 | |
| 0.00 | 0.36 | 0.00 | 0.23 | -15.62 | 221.25 | -38.39 | 110.99 | 0.6428 | -549.0 | -549.5 | |
| 0.00 | 0.99 | 0.00 | 0.63 | -12.80 | 221.38 | -38.25 | 106.71 | 0.6326 | -738.0 | -603.5 | |
| 0.00 | 0.81 | 0.00 | 0.52 | -14.58 | 220.87 | -38.76 | 109.28 | 0.6442 | -551.0 | -440.2 | |
| 0.00 | 0.90 | 0.00 | 0.62 | -22.21 | 218.51 | -41.13 | 119.26 | 0.7002 | -619.0 | -440.8 | |
| 0.00 | 1.17 | 0.00 | 0.82 | -21.99 | 217.58 | -42.05 | 118.55 | 0.7094 | -722.0 | -522.8 | |
| 0.00 | 0.99 | 0.00 | 0.67 | -14.37 | 217.41 | -42.22 | 107.90 | 0.6865 | -578.0 | -451.5 | |
| 0.00 | 0.63 | 0.00 | 0.47 | -24.17 | 214.07 | -45.56 | 119.96 | 0.7542 | -472.0 | -375.0 | |
| 0.00 | 0.99 | 0.00 | 0.71 | -19.80 | 215.48 | -44.16 | 114.81 | 0.7244 | -561.0 | -440.0 | |
| 0.00 | 0.90 | 0.00 | 0.65 | -18.73 | 214.81 | -44.83 | 113.15 | 0.7284 | -420.0 | -404.1 | |
| 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. |
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| 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. |
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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. | |