| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 267.00 | 1670.23 | 171.00 | 1058.57 | 19.06 | 106.02 | 36.18 | 296.87 | 0.6269 | -393.7 | -282.0 | |
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| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 0.78 | 0.00 | 0.53 | 19.33 | 111.67 | 41.84 | 294.67 | 0.6950 | -487.0 | -375.4 | |
| 0.00 | 1.29 | 0.00 | 0.83 | 16.09 | 108.38 | 38.54 | 291.23 | 0.6446 | 356.0 | 294.1 | |
| 1.81 | 504.29 | 1.20 | 332.79 | 19.70 | 109.09 | 39.25 | 296.25 | 0.6664 | -505.6 | -252.1 | |
| 91.21 | -3.00 | 60.01 | -3.00 | 18.94 | 108.83 | 38.99 | 295.26 | 0.6603 | -1126.0 | 999999 | |
| 0.00 | 13.87 | 0.00 | 8.96 | 16.74 | 108.14 | 38.30 | 292.30 | 0.6438 | -454.0 | -195.4 | |
| 1.03 | -3.00 | 0.68 | -3.00 | 20.21 | 108.79 | 38.95 | 297.11 | 0.6651 | -367.0 | 999999 | |
| 0.00 | 1.55 | 0.00 | 0.99 | 15.64 | 107.45 | 37.62 | 290.88 | 0.6314 | -683.0 | -560.8 | |
| 9.56 | 40.57 | 6.16 | 26.11 | 17.59 | 107.67 | 37.83 | 293.76 | 0.6411 | -846.7 | -405.2 | |
| 0.00 | 1.64 | 0.00 | 1.05 | 17.93 | 107.60 | 37.76 | 294.30 | 0.6416 | -872.0 | -789.7 | |
| 1.03 | -3.00 | 0.67 | -3.00 | 19.13 | 107.64 | 37.80 | 296.07 | 0.6469 | -874.3 | 999999 | |
| 0.00 | 1.98 | 0.00 | 1.30 | 20.95 | 108.16 | 38.32 | 298.46 | 0.6610 | -349.0 | -378.1 | |
| 3.27 | 29.20 | 2.10 | 18.73 | 18.01 | 107.22 | 37.38 | 294.58 | 0.6373 | -800.0 | -678.7 | |
| 1.21 | -12.00 | 0.77 | -12.00 | 18.37 | 107.24 | 37.40 | 295.13 | 0.6390 | -834.1 | 999999 | |
| 0.00 | 1.21 | 0.00 | 0.79 | 21.31 | 107.90 | 38.06 | 299.09 | 0.6596 | -299.0 | -139.1 | |
| 12.49 | -12.00 | 8.02 | -12.00 | 18.75 | 107.10 | 37.26 | 295.75 | 0.6388 | -704.1 | 999999 | |
| 0.00 | 1.29 | 0.00 | 0.84 | 20.54 | 107.51 | 37.67 | 298.18 | 0.6516 | -585.0 | -350.1 | |
| 7.32 | 624.53 | 4.66 | 390.20 | 18.15 | 106.55 | 36.71 | 295.11 | 0.6297 | -911.3 | -555.1 | |
| 9.22 | -17.00 | 5.89 | -17.00 | 19.29 | 106.61 | 36.77 | 296.80 | 0.6353 | -877.4 | 999999 | |
| 1.12 | 167.09 | 0.73 | 107.58 | 21.12 | 107.12 | 37.28 | 299.22 | 0.6497 | -600.8 | -300.7 | |
| 0.00 | 0.95 | 0.00 | 0.61 | 20.16 | 106.84 | 37.00 | 297.96 | 0.6420 | -619.0 | -486.8 | |
| 11.46 | -17.00 | 7.25 | -17.00 | 18.26 | 106.15 | 36.31 | 295.46 | 0.6251 | -1070.3 | 999999 | |
| 14.64 | -19.00 | 9.47 | -19.00 | 20.87 | 106.85 | 37.01 | 299.01 | 0.6454 | -632.5 | 999999 | |
| 4.05 | -19.00 | 2.61 | -19.00 | 20.51 | 106.66 | 36.82 | 298.56 | 0.6415 | -841.7 | 999999 | |
| 4.82 | -19.00 | 3.12 | -19.00 | 21.35 | 106.63 | 36.79 | 299.81 | 0.6451 | -598.7 | 999999 | |
| 0.00 | 0.86 | 0.00 | 0.59 | 27.01 | 108.61 | 38.77 | 306.48 | 0.6961 | -458.0 | -339.1 | |
| 7.92 | -17.00 | 5.05 | -17.00 | 19.62 | 106.11 | 36.27 | 297.54 | 0.6307 | -896.4 | 999999 | |
| 3.45 | -19.00 | 2.21 | -19.00 | 20.67 | 106.39 | 36.55 | 298.95 | 0.6391 | -818.5 | 999999 | |
| 1.03 | -17.00 | 0.65 | -17.00 | 17.88 | 105.48 | 35.64 | 295.20 | 0.6152 | -1039.8 | 999999 | |
| 26.61 | -17.00 | 16.73 | -17.00 | 18.31 | 105.54 | 35.70 | 295.83 | 0.6179 | -1116.1 | 999999 | |
| 2.84 | -19.00 | 1.82 | -19.00 | 20.77 | 106.14 | 36.30 | 299.23 | 0.6366 | -711.7 | 999999 | |
| 0.00 | 1.38 | 0.00 | 0.92 | 25.00 | 107.50 | 37.66 | 304.45 | 0.6737 | -578.0 | -496.5 | |
| 0.00 | 1.03 | 0.00 | 0.64 | 15.94 | 104.79 | 34.96 | 292.47 | 0.5984 | 731.0 | 528.5 | |
| 0.00 | 1.21 | 0.00 | 0.83 | 27.96 | 108.45 | 38.61 | 307.80 | 0.6999 | -629.0 | -514.4 | |
| 0.00 | 0.95 | 0.00 | 0.58 | 15.76 | 104.72 | 34.88 | 292.21 | 0.5967 | 516.0 | 453.7 | |
| 8.53 | -19.00 | 5.44 | -19.00 | 20.85 | 105.69 | 35.85 | 299.59 | 0.6317 | -1116.6 | 999999 | |
| 8.10 | -17.00 | 5.06 | -17.00 | 18.29 | 105.04 | 35.20 | 296.07 | 0.6116 | -1133.2 | 999999 | |
| 1.21 | -17.00 | 0.75 | -17.00 | 17.78 | 104.84 | 35.01 | 295.36 | 0.6068 | -1224.4 | 999999 | |
| 0.95 | 1.21 | 0.58 | 0.74 | 16.08 | 104.22 | 34.38 | 292.96 | 0.5915 | 673.2 | 649.0 | |
| 0.00 | 1.12 | 0.00 | 0.70 | 19.60 | 105.01 | 35.17 | 298.08 | 0.6173 | -737.0 | -639.9 | |
| 2.67 | -17.00 | 1.66 | -17.00 | 18.21 | 104.64 | 34.80 | 296.15 | 0.6062 | -1161.1 | 999999 | |
| 0.00 | 13.87 | 0.00 | 8.48 | 16.71 | 103.78 | 33.94 | 294.19 | 0.5885 | -412.0 | -378.7 | |
| 1.38 | -17.00 | 0.86 | -17.00 | 19.37 | 104.34 | 34.50 | 298.10 | 0.6080 | -881.9 | 999999 | |
| 2.15 | -17.00 | 1.33 | -17.00 | 19.23 | 103.96 | 34.12 | 298.09 | 0.6027 | -1011.4 | 999999 | |
| 0.78 | -17.00 | 0.48 | -17.00 | 19.60 | 103.03 | 33.19 | 299.22 | 0.5931 | 250.3 | 999999 | |
| 0.00 | 1.21 | 0.00 | 0.74 | 20.37 | 103.10 | 33.26 | 300.38 | 0.5982 | 536.0 | 373.2 | |
| 0.00 | 0.86 | 0.00 | 0.53 | 20.71 | 103.11 | 33.27 | 300.90 | 0.6002 | 402.0 | 343.7 | |
| 1.29 | 1.72 | 0.80 | 1.07 | 22.06 | 103.15 | 33.31 | 302.91 | 0.6085 | -633.8 | -637.6 | |
| 0.00 | 1.89 | 0.00 | 1.17 | 21.50 | 103.00 | 33.16 | 302.16 | 0.6035 | -884.0 | -723.5 | |
| 0.00 | 1.55 | 0.00 | 0.96 | 21.81 | 103.08 | 33.24 | 302.58 | 0.6063 | -729.0 | -660.3 | |
| 1.12 | 32.56 | 0.69 | 19.97 | 20.48 | 102.59 | 32.76 | 300.87 | 0.5927 | 628.5 | 248.5 | |
| 0.00 | 1.89 | 0.00 | 1.15 | 18.78 | 102.21 | 32.37 | 298.43 | 0.5786 | -670.0 | -689.1 | |
| 2.07 | 3.96 | 1.28 | 2.45 | 21.69 | 102.78 | 32.95 | 302.60 | 0.6021 | -858.9 | -796.1 | |
| 1.21 | -50.00 | 0.74 | -50.00 | 20.14 | 102.36 | 32.52 | 300.49 | 0.5880 | 775.0 | 999999 | |
| 0.00 | 0.86 | 0.00 | 0.52 | 18.06 | 101.83 | 31.99 | 297.48 | 0.5700 | -405.0 | -323.8 | |
| 0.00 | 0.34 | 0.00 | 0.21 | 20.80 | 102.41 | 32.57 | 301.48 | 0.5923 | 110.0 | 218.0 | |
| 2.41 | 12.06 | 1.47 | 7.36 | 20.37 | 102.19 | 32.35 | 300.95 | 0.5872 | 826.3 | 643.8 | |
| 1.72 | 14.90 | 1.06 | 9.18 | 21.96 | 102.47 | 32.63 | 303.20 | 0.6000 | -989.8 | -656.1 | |
| 0.00 | 9.13 | 0.00 | 5.49 | 18.74 | 101.53 | 31.69 | 298.79 | 0.5699 | -216.0 | -159.6 | |
| 0.00 | 0.95 | 0.00 | 0.57 | 18.16 | 101.41 | 31.57 | 297.91 | 0.5652 | 390.0 | 269.0 | |
| 0.00 | 5.17 | 0.00 | 3.13 | 19.70 | 101.66 | 31.82 | 300.24 | 0.5769 | -174.0 | -260.1 | |
| 1.81 | -57.00 | 1.11 | -57.00 | 22.06 | 102.12 | 32.28 | 303.60 | 0.5965 | -896.6 | 999999 | |
| 0.00 | 0.69 | 0.00 | 0.41 | 17.89 | 101.10 | 31.26 | 297.66 | 0.5598 | 555.0 | 444.0 | |
| 0.00 | 8.18 | 0.00 | 4.93 | 19.40 | 101.37 | 31.54 | 299.95 | 0.5716 | -41.0 | -126.7 | |
| 0.43 | 2.15 | 0.26 | 1.29 | 19.31 | 101.06 | 31.22 | 300.02 | 0.5672 | 496.0 | 381.5 | |
| 0.00 | 1.72 | 0.00 | 1.03 | 18.61 | 100.91 | 31.08 | 298.97 | 0.5613 | 467.0 | 319.1 | |
| 0.00 | 1.81 | 0.00 | 1.08 | 18.00 | 100.76 | 30.92 | 298.06 | 0.5559 | 567.0 | 337.8 | |
| 0.00 | 5.34 | 0.00 | 3.20 | 19.07 | 100.90 | 31.06 | 299.74 | 0.5638 | 641.0 | 487.7 | |
| 0.00 | 1.03 | 0.00 | 0.63 | 21.67 | 101.45 | 31.61 | 303.47 | 0.5862 | -269.0 | -248.8 | |
| 0.00 | 2.84 | 0.00 | 1.71 | 19.78 | 100.90 | 31.07 | 300.89 | 0.5680 | 518.0 | 386.9 | |
| 0.00 | 1.29 | 0.00 | 0.77 | 17.91 | 100.48 | 30.65 | 298.09 | 0.5519 | 647.0 | 530.6 | |
| 0.00 | 1.03 | 0.00 | 0.62 | 19.05 | 100.67 | 30.84 | 299.85 | 0.5608 | 621.0 | 489.8 | |
| 0.60 | 3.36 | 0.36 | 1.99 | 18.35 | 100.39 | 30.55 | 298.88 | 0.5531 | 716.6 | 569.8 | |
| 0.00 | 0.95 | 0.00 | 0.56 | 18.65 | 100.41 | 30.57 | 299.38 | 0.5552 | 764.0 | 610.5 | |
| 0.00 | 1.55 | 0.00 | 0.92 | 18.99 | 100.44 | 30.60 | 299.92 | 0.5576 | 709.0 | 536.4 | |
| 1.98 | 2.33 | 1.17 | 1.38 | 18.13 | 100.24 | 30.40 | 298.63 | 0.5500 | 763.4 | 705.8 | |
| 0.00 | 1.72 | 0.00 | 1.03 | 19.83 | 100.55 | 30.71 | 301.21 | 0.5638 | 607.0 | 493.5 | |
| 0.00 | 1.38 | 0.00 | 0.82 | 18.81 | 100.33 | 30.49 | 299.69 | 0.5551 | 699.0 | 540.8 | |
| 0.00 | 1.21 | 0.00 | 0.72 | 20.48 | 100.50 | 30.67 | 302.29 | 0.5674 | 670.0 | 495.6 | |
| 0.00 | 0.34 | 0.00 | 0.20 | 18.45 | 100.08 | 30.24 | 299.26 | 0.5498 | 681.0 | 587.0 | |
| 0.00 | 2.15 | 0.00 | 1.29 | 19.77 | 100.31 | 30.47 | 301.28 | 0.5606 | 575.0 | 517.1 | |
| 0.00 | 1.12 | 0.00 | 0.67 | 19.19 | 100.16 | 30.32 | 300.44 | 0.5551 | 728.0 | 596.0 | |
| 0.00 | 1.81 | 0.00 | 1.07 | 17.71 | 99.87 | 30.03 | 298.16 | 0.5429 | 667.0 | 486.0 | |
| 0.00 | 0.52 | 0.00 | 0.30 | 18.14 | 99.88 | 30.04 | 298.89 | 0.5455 | 622.0 | 598.8 | |
| 0.00 | 1.03 | 0.00 | 0.62 | 20.36 | 100.29 | 30.46 | 302.25 | 0.5641 | 608.0 | 525.0 | |
| 0.00 | 2.76 | 0.00 | 1.64 | 19.62 | 100.06 | 30.22 | 301.22 | 0.5566 | 780.0 | 652.4 | |
| 0.00 | 1.46 | 0.00 | 0.87 | 19.10 | 99.88 | 30.04 | 300.49 | 0.5512 | 844.0 | 784.3 | |
| 0.00 | 1.21 | 0.00 | 0.72 | 19.47 | 99.92 | 30.08 | 301.07 | 0.5539 | 852.0 | 710.7 | |
| 0.00 | 1.38 | 0.00 | 0.85 | 23.90 | 100.97 | 31.13 | 307.17 | 0.5954 | 429.0 | 366.1 | |
| 0.00 | 1.46 | 0.00 | 0.88 | 20.74 | 100.16 | 30.32 | 302.95 | 0.5648 | 739.0 | 644.6 | |
| 1.21 | 7.49 | 0.73 | 4.53 | 21.92 | 100.39 | 30.55 | 304.63 | 0.5754 | 691.7 | 537.8 | |
| 0.00 | 1.72 | 0.00 | 1.01 | 17.94 | 99.55 | 29.71 | 298.77 | 0.5400 | 726.0 | 574.0 | |
| 0.00 | 1.03 | 0.00 | 0.61 | 18.43 | 99.61 | 29.77 | 299.56 | 0.5437 | 672.0 | 625.2 | |
| 0.00 | 1.98 | 0.00 | 1.17 | 18.61 | 99.57 | 29.73 | 299.90 | 0.5443 | 890.0 | 695.2 | |
| 0.00 | 3.19 | 0.00 | 1.86 | 17.45 | 99.35 | 29.51 | 298.06 | 0.5347 | 680.0 | 627.6 | |
| 0.00 | 1.03 | 0.00 | 0.62 | 21.62 | 100.13 | 30.30 | 304.35 | 0.5703 | 471.0 | 402.8 | |
| 0.00 | 1.29 | 0.00 | 0.78 | 21.43 | 99.98 | 30.14 | 304.18 | 0.5672 | 757.0 | 633.1 | |
| 0.00 | 8.44 | 0.00 | 4.95 | 18.01 | 99.24 | 29.40 | 299.10 | 0.5365 | 714.0 | 675.6 | |
| 0.00 | 1.03 | 0.00 | 0.61 | 19.51 | 99.49 | 29.66 | 301.46 | 0.5489 | 916.0 | 815.3 | |
| 0.00 | 1.12 | 0.00 | 0.67 | 21.59 | 99.91 | 30.07 | 304.49 | 0.5674 | 829.0 | 643.6 | |
| 0.00 | 1.81 | 0.00 | 1.06 | 18.08 | 98.89 | 29.06 | 299.47 | 0.5324 | 961.0 | 811.4 | |
| 0.00 | 1.03 | 0.00 | 0.63 | 23.42 | 100.01 | 30.17 | 307.20 | 0.5813 | 661.0 | 532.3 | |
| 0.00 | 1.29 | 0.00 | 0.75 | 17.87 | 98.75 | 28.91 | 299.21 | 0.5293 | 841.0 | 583.0 | |
| 0.00 | 3.19 | 0.00 | 1.87 | 19.25 | 98.97 | 29.13 | 301.41 | 0.5406 | 1003.0 | 736.4 | |
| 0.00 | 1.03 | 0.00 | 0.61 | 19.56 | 99.00 | 29.16 | 301.90 | 0.5429 | 824.0 | 636.7 | |
| 0.00 | 0.86 | 0.00 | 0.52 | 23.11 | 99.64 | 29.80 | 307.04 | 0.5748 | 532.0 | 421.9 | |
| 0.00 | 0.78 | 0.00 | 0.45 | 18.65 | 98.25 | 28.41 | 300.94 | 0.5277 | 715.0 | 628.9 | |
| 0.00 | 13.87 | 0.00 | 8.10 | 19.11 | 98.33 | 28.50 | 301.66 | 0.5318 | 1029.0 | 851.4 | |
| 0.00 | 3.88 | 0.00 | 2.25 | 18.04 | 98.07 | 28.23 | 300.02 | 0.5215 | 996.0 | 799.7 | |
| 1.03 | 3.19 | 0.60 | 1.84 | 17.83 | 97.78 | 27.95 | 299.87 | 0.5166 | 751.8 | 681.5 | |
| 2.50 | 4.56 | 1.45 | 2.66 | 19.19 | 97.88 | 28.05 | 302.15 | 0.5266 | 921.7 | 767.8 | |
| 0.00 | 1.38 | 0.00 | 0.79 | 17.96 | 97.45 | 27.61 | 300.36 | 0.5131 | 951.0 | 756.4 | |
| 0.00 | 1.21 | 0.00 | 0.71 | 21.99 | 98.02 | 28.18 | 306.64 | 0.5479 | 737.0 | 591.3 | |
| 0.00 | 1.21 | 0.00 | 0.70 | 20.37 | 97.65 | 27.81 | 304.34 | 0.5317 | 893.0 | 660.8 | |
| 2.84 | 8.18 | 1.64 | 4.72 | 19.02 | 97.25 | 27.41 | 302.37 | 0.5174 | 899.5 | 829.8 | |
| 1.89 | -114.00 | 1.09 | -114.00 | 18.87 | 97.12 | 27.28 | 302.22 | 0.5147 | 990.9 | 999999 | |
| 0.00 | 1.64 | 0.00 | 0.94 | 17.89 | 96.91 | 27.07 | 300.66 | 0.5056 | 805.0 | 656.9 | |
| 0.00 | 1.12 | 0.00 | 0.66 | 22.28 | 97.61 | 27.77 | 307.46 | 0.5453 | 728.0 | 499.8 | |
| 0.00 | 1.12 | 0.00 | 0.64 | 17.95 | 96.71 | 26.88 | 300.94 | 0.5034 | 877.0 | 732.2 | |
| 0.00 | 2.07 | 0.00 | 1.21 | 20.98 | 97.12 | 27.28 | 305.79 | 0.5298 | 710.0 | 591.7 | |
| 0.00 | 0.86 | 0.00 | 0.49 | 18.14 | 96.57 | 26.73 | 301.40 | 0.5028 | 825.0 | 675.0 | |
| 0.00 | 0.69 | 0.00 | 0.39 | 18.42 | 96.58 | 26.74 | 301.88 | 0.5048 | 711.0 | 625.5 | |
| 1.03 | 9.56 | 0.59 | 5.45 | 17.99 | 96.41 | 26.57 | 301.27 | 0.4997 | 960.0 | 780.1 | |
| 0.00 | 0.86 | 0.00 | 0.49 | 18.18 | 96.26 | 26.42 | 301.73 | 0.4991 | 852.0 | 704.5 | |
| 0.00 | 2.07 | 0.00 | 1.17 | 17.48 | 96.08 | 26.24 | 300.61 | 0.4920 | 814.0 | 657.8 | |
| 0.00 | 1.98 | 0.00 | 1.12 | 17.39 | 95.86 | 26.02 | 300.64 | 0.4885 | 836.0 | 690.8 | |
| 0.00 | 1.12 | 0.00 | 0.63 | 16.67 | 95.17 | 25.33 | 299.88 | 0.4746 | 722.0 | 576.6 | |
| 0.00 | 1.03 | 0.00 | 0.60 | 22.83 | 96.06 | 26.22 | 309.74 | 0.5318 | 798.0 | 702.5 | |
| 0.00 | 2.15 | 0.00 | 1.23 | 19.75 | 95.41 | 25.57 | 305.27 | 0.4996 | 771.0 | 724.6 | |
| 0.00 | 1.72 | 0.00 | 0.99 | 20.30 | 95.47 | 25.63 | 306.18 | 0.5046 | 683.0 | 463.2 | |
| 0.00 | 1.21 | 0.00 | 0.71 | 23.43 | 96.01 | 26.17 | 310.73 | 0.5362 | 676.0 | 546.0 | |
| 0.00 | 0.52 | 0.00 | 0.29 | 18.06 | 94.92 | 25.08 | 302.70 | 0.4810 | 687.0 | 558.7 | |
| 0.00 | 2.33 | 0.00 | 1.33 | 20.03 | 95.14 | 25.30 | 306.02 | 0.4985 | 849.0 | 617.7 | |
| 0.00 | 0.86 | 0.00 | 0.47 | 13.34 | 93.54 | 23.70 | 294.47 | 0.4315 | 786.0 | 638.9 | |
| 0.00 | 1.12 | 0.00 | 0.61 | 14.78 | 92.86 | 23.02 | 298.15 | 0.4307 | 711.0 | 478.8 | |
| 0.00 | 1.89 | 0.00 | 1.09 | 23.64 | 93.62 | 23.78 | 313.54 | 0.5117 | 617.0 | 451.1 | |
| 0.00 | 0.86 | 0.00 | 0.47 | 16.66 | 91.91 | 22.07 | 303.01 | 0.4312 | 557.0 | 433.7 | |
| 0.00 | 1.89 | 0.00 | 1.04 | 18.76 | 91.17 | 21.34 | 308.00 | 0.4390 | 844.0 | 652.2 | |
| 0.00 | 1.03 | 0.00 | 0.59 | 26.06 | 89.59 | 19.75 | 322.02 | 0.4954 | 723.0 | 599.2 | |
| 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. | |