| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 295.01 | 1721.94 | 161.57 | 942.47 | -10.87 | 239.49 | -17.29 | 136.83 | 0.4238 | -25.5 | -35.6 | |
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| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 2.12 | 0.00 | 1.12 | -10.89 | 247.58 | -9.20 | 152.74 | 0.3443 | 827.0 | 652.0 | |
| 0.00 | 0.71 | 0.00 | 0.38 | -12.53 | 246.83 | -9.94 | 153.05 | 0.3735 | 787.0 | 667.9 | |
| 1.15 | 3.09 | 0.62 | 1.66 | -13.43 | 246.61 | -10.17 | 153.61 | 0.3881 | 833.3 | 681.2 | |
| 0.00 | 1.41 | 0.00 | 0.77 | -14.53 | 244.75 | -12.03 | 150.98 | 0.4174 | 661.0 | 529.3 | |
| 86.96 | 603.27 | 46.27 | 321.14 | -10.89 | 244.90 | -11.88 | 146.35 | 0.3663 | 1308.8 | 425.6 | |
| 0.00 | 1.15 | 0.00 | 0.62 | -13.50 | 244.75 | -12.03 | 149.69 | 0.4033 | -750.0 | -647.4 | |
| 0.00 | 1.15 | 0.00 | 0.62 | -13.67 | 244.61 | -12.17 | 149.62 | 0.4066 | -784.0 | -571.3 | |
| 0.00 | 0.97 | 0.00 | 0.53 | -13.77 | 244.45 | -12.33 | 149.41 | 0.4093 | -778.0 | -600.6 | |
| 21.21 | 85.02 | 11.19 | 44.82 | -9.11 | 244.60 | -12.18 | 142.72 | 0.3455 | 1195.2 | 454.9 | |
| 0.00 | 0.80 | 0.00 | 0.43 | -13.64 | 244.26 | -12.51 | 148.88 | 0.4091 | -815.0 | -697.7 | |
| 0.00 | 1.59 | 0.00 | 0.86 | -12.75 | 244.18 | -12.59 | 147.52 | 0.3977 | 821.0 | 610.4 | |
| 5.13 | -5.00 | 2.74 | -5.00 | -11.42 | 244.03 | -12.75 | 145.27 | 0.3813 | 820.1 | 999999 | |
| 0.00 | 1.06 | 0.00 | 0.58 | -15.43 | 243.80 | -12.97 | 150.19 | 0.4371 | 703.0 | 578.1 | |
| 1.94 | -5.00 | 1.04 | -5.00 | -11.58 | 243.71 | -13.07 | 144.85 | 0.3865 | 703.4 | 999999 | |
| 1.68 | -5.00 | 0.90 | -5.00 | -11.36 | 243.72 | -13.06 | 144.53 | 0.3835 | 801.9 | 999999 | |
| 1.77 | -5.00 | 0.95 | -5.00 | -11.17 | 243.70 | -13.08 | 144.19 | 0.3812 | 696.8 | 999999 | |
| 0.00 | 1.59 | 0.00 | 0.86 | -12.22 | 243.61 | -13.17 | 145.60 | 0.3957 | 476.0 | 411.9 | |
| 0.00 | 2.39 | 0.00 | 1.28 | -11.65 | 243.45 | -13.33 | 144.43 | 0.3898 | 536.0 | 491.6 | |
| 1.41 | -5.00 | 0.76 | -5.00 | -11.15 | 243.26 | -13.52 | 143.26 | 0.3851 | 761.1 | 999999 | |
| 0.00 | 1.33 | 0.00 | 0.71 | -11.76 | 243.19 | -13.58 | 144.07 | 0.3935 | 652.0 | 510.8 | |
| 0.35 | 1.50 | 0.19 | 0.81 | -11.92 | 243.09 | -13.69 | 144.10 | 0.3966 | 655.5 | 538.9 | |
| 0.00 | 1.24 | 0.00 | 0.66 | -9.11 | 243.22 | -13.56 | 139.73 | 0.3596 | -589.0 | -441.5 | |
| 2.12 | -5.00 | 1.13 | -5.00 | -9.64 | 243.17 | -13.61 | 140.57 | 0.3668 | -638.6 | 999999 | |
| 0.00 | 2.74 | 0.00 | 1.49 | -13.01 | 242.84 | -13.94 | 145.20 | 0.4130 | 668.0 | 499.9 | |
| 0.00 | 2.12 | 0.00 | 1.15 | -12.69 | 242.73 | -14.05 | 144.54 | 0.4099 | 924.0 | 763.8 | |
| 0.00 | 1.24 | 0.00 | 0.68 | -14.37 | 242.59 | -14.18 | 146.59 | 0.4328 | 746.0 | 559.3 | |
| 0.00 | 4.60 | 0.00 | 2.54 | -15.05 | 242.45 | -14.33 | 147.20 | 0.4430 | 941.0 | 687.6 | |
| 0.00 | 0.62 | 0.00 | 0.33 | -10.35 | 242.63 | -14.15 | 140.69 | 0.3811 | -606.0 | -422.9 | |
| 0.00 | 0.80 | 0.00 | 0.42 | -7.48 | 242.44 | -14.34 | 134.97 | 0.3486 | 777.0 | 629.9 | |
| 0.00 | 1.41 | 0.00 | 0.77 | -12.10 | 242.19 | -14.59 | 142.64 | 0.4075 | 1014.0 | 776.2 | |
| 0.00 | 1.41 | 0.00 | 0.77 | -12.49 | 242.11 | -14.67 | 143.05 | 0.4131 | 901.0 | 774.6 | |
| 0.00 | 0.71 | 0.00 | 0.39 | -12.94 | 242.02 | -14.76 | 143.54 | 0.4197 | 542.0 | 482.9 | |
| 2.12 | 55.86 | 1.14 | 30.14 | -10.81 | 242.10 | -14.67 | 140.42 | 0.3922 | 980.3 | 386.7 | |
| 0.00 | 1.41 | 0.00 | 0.77 | -12.20 | 242.03 | -14.75 | 142.48 | 0.4103 | 763.0 | 712.6 | |
| 0.00 | 2.12 | 0.00 | 1.16 | -12.75 | 241.96 | -14.81 | 143.17 | 0.4178 | 675.0 | 575.1 | |
| 0.00 | 2.21 | 0.00 | 1.19 | -10.12 | 241.95 | -14.83 | 138.96 | 0.3854 | 989.0 | 866.8 | |
| 0.00 | 1.41 | 0.00 | 0.77 | -12.37 | 241.76 | -15.01 | 142.24 | 0.4150 | 669.0 | 671.9 | |
| 0.00 | 1.06 | 0.00 | 0.57 | -11.74 | 241.77 | -15.01 | 141.27 | 0.4070 | 779.0 | 600.2 | |
| 11.05 | -33.00 | 5.96 | -33.00 | -10.94 | 241.78 | -15.00 | 140.03 | 0.3972 | 936.8 | 999999 | |
| 0.00 | 0.62 | 0.00 | 0.34 | -13.50 | 241.60 | -15.18 | 143.57 | 0.4307 | 396.0 | 426.7 | |
| 0.00 | 1.15 | 0.00 | 0.65 | -17.31 | 241.27 | -15.51 | 147.87 | 0.4820 | 640.0 | 509.4 | |
| 0.00 | 1.06 | 0.00 | 0.57 | -9.50 | 241.76 | -15.02 | 137.50 | 0.3799 | 707.0 | 569.7 | |
| 0.00 | 2.39 | 0.00 | 1.31 | -13.18 | 241.55 | -15.23 | 143.04 | 0.4271 | 590.0 | 538.7 | |
| 0.00 | 1.68 | 0.00 | 0.91 | -12.06 | 241.59 | -15.19 | 141.44 | 0.4128 | 855.0 | 696.5 | |
| 0.00 | 1.94 | 0.00 | 1.06 | -12.77 | 241.42 | -15.36 | 142.20 | 0.4232 | 788.0 | 643.3 | |
| 0.00 | 0.71 | 0.00 | 0.39 | -13.12 | 241.36 | -15.41 | 142.62 | 0.4281 | 700.0 | 619.4 | |
| 0.00 | 1.77 | 0.00 | 0.97 | -13.31 | 241.29 | -15.49 | 142.76 | 0.4313 | 613.0 | 494.4 | |
| 0.00 | 1.86 | 0.00 | 1.00 | -10.01 | 241.48 | -15.30 | 137.88 | 0.3890 | 716.0 | 563.9 | |
| 0.00 | 4.33 | 0.00 | 2.36 | -12.36 | 241.25 | -15.52 | 141.28 | 0.4198 | 700.0 | 627.2 | |
| 0.00 | 1.33 | 0.00 | 0.72 | -12.04 | 241.18 | -15.60 | 140.66 | 0.4167 | 653.0 | 529.8 | |
| 0.00 | 0.62 | 0.00 | 0.34 | -13.10 | 241.04 | -15.73 | 142.02 | 0.4309 | 480.0 | 400.0 | |
| 1.33 | 13.88 | 0.71 | 7.48 | -10.33 | 241.18 | -15.60 | 137.88 | 0.3961 | 640.9 | 209.6 | |
| 0.00 | 1.77 | 0.00 | 0.96 | -10.78 | 241.03 | -15.75 | 138.36 | 0.4030 | 549.0 | 313.8 | |
| 0.00 | 0.80 | 0.00 | 0.43 | -10.57 | 240.72 | -16.06 | 137.45 | 0.4038 | -584.0 | -474.8 | |
| 0.44 | 20.42 | 0.24 | 11.11 | -11.00 | 240.12 | -16.66 | 137.13 | 0.4153 | 364.8 | 51.1 | |
| 1.33 | -55.00 | 0.72 | -55.00 | -10.81 | 240.07 | -16.71 | 136.72 | 0.4137 | 262.8 | 999999 | |
| 0.00 | 1.15 | 0.00 | 0.62 | -10.34 | 240.06 | -16.71 | 135.91 | 0.4083 | 638.0 | 515.2 | |
| 0.35 | 3.36 | 0.19 | 1.82 | -10.50 | 239.90 | -16.88 | 135.90 | 0.4120 | 736.2 | 515.7 | |
| 2.56 | 12.99 | 1.40 | 7.10 | -11.03 | 239.19 | -17.59 | 135.62 | 0.4258 | -663.9 | 61.1 | |
| 0.00 | 0.88 | 0.00 | 0.48 | -10.54 | 238.93 | -17.85 | 134.36 | 0.4232 | 187.0 | 169.1 | |
| 1.24 | 26.34 | 0.67 | 14.35 | -9.94 | 238.90 | -17.87 | 133.28 | 0.4170 | -1033.7 | -553.3 | |
| 0.00 | 1.77 | 0.00 | 0.96 | -9.53 | 238.89 | -17.88 | 132.53 | 0.4127 | -887.0 | -731.7 | |
| 0.00 | 1.33 | 0.00 | 0.72 | -9.10 | 238.76 | -18.02 | 131.53 | 0.4097 | -651.0 | -522.2 | |
| 1.59 | -61.00 | 0.87 | -61.00 | -9.89 | 238.68 | -18.10 | 132.82 | 0.4190 | -1003.9 | 999999 | |
| 0.00 | 1.59 | 0.00 | 0.88 | -11.70 | 238.40 | -18.37 | 135.45 | 0.4418 | 456.0 | 369.4 | |
| 0.00 | 0.97 | 0.00 | 0.53 | -10.18 | 238.50 | -18.27 | 133.05 | 0.4241 | -882.0 | -708.3 | |
| 0.00 | 2.56 | 0.00 | 1.40 | -9.59 | 238.35 | -18.43 | 131.76 | 0.4197 | -756.0 | -656.9 | |
| 0.00 | 1.24 | 0.00 | 0.68 | -10.28 | 238.27 | -18.51 | 132.87 | 0.4279 | -960.0 | -815.6 | |
| 0.00 | 6.81 | 0.00 | 3.75 | -11.14 | 238.12 | -18.66 | 134.09 | 0.4389 | -306.0 | -424.4 | |
| 0.71 | 2.12 | 0.39 | 1.16 | -10.47 | 238.13 | -18.65 | 132.99 | 0.4316 | -995.5 | -825.9 | |
| 1.41 | 18.47 | 0.78 | 10.20 | -11.09 | 237.64 | -19.14 | 133.28 | 0.4438 | -1060.4 | -691.3 | |
| 1.41 | -71.00 | 0.78 | -71.00 | -11.00 | 237.58 | -19.20 | 133.04 | 0.4435 | -1131.7 | 999999 | |
| 0.00 | 4.95 | 0.00 | 2.72 | -10.40 | 237.62 | -19.16 | 132.08 | 0.4367 | -581.0 | -660.0 | |
| 0.00 | 1.68 | 0.00 | 0.92 | -9.49 | 237.68 | -19.10 | 130.56 | 0.4266 | 772.0 | 609.6 | |
| 0.00 | 1.59 | 0.00 | 0.88 | -10.65 | 237.57 | -19.21 | 132.44 | 0.4400 | -892.0 | -734.8 | |
| 0.00 | 1.33 | 0.00 | 0.74 | -13.08 | 237.29 | -19.49 | 135.92 | 0.4691 | -878.0 | -661.3 | |
| 0.00 | 2.03 | 0.00 | 1.12 | -9.90 | 237.52 | -19.26 | 131.06 | 0.4327 | -241.0 | -271.0 | |
| 0.00 | 1.86 | 0.00 | 1.02 | -9.34 | 237.49 | -19.29 | 130.01 | 0.4273 | 650.0 | 473.5 | |
| 0.00 | 3.18 | 0.00 | 1.75 | -10.48 | 237.29 | -19.49 | 131.72 | 0.4414 | -626.0 | -495.1 | |
| 0.00 | 1.24 | 0.00 | 0.69 | -12.51 | 237.11 | -19.67 | 134.78 | 0.4649 | -463.0 | -326.9 | |
| 0.00 | 0.97 | 0.00 | 0.54 | -12.19 | 237.10 | -19.68 | 134.27 | 0.4616 | -414.0 | -369.7 | |
| 0.00 | 1.50 | 0.00 | 0.86 | -15.91 | 236.66 | -20.12 | 139.05 | 0.5068 | 791.0 | 706.9 | |
| 0.00 | 0.88 | 0.00 | 0.50 | -12.96 | 236.94 | -19.84 | 135.23 | 0.4716 | -749.0 | -548.9 | |
| 0.00 | 1.33 | 0.00 | 0.73 | -10.77 | 237.07 | -19.70 | 131.90 | 0.4469 | 699.0 | 525.9 | |
| 0.00 | 1.59 | 0.00 | 0.88 | -11.40 | 237.00 | -19.78 | 132.85 | 0.4544 | 32.0 | -103.7 | |
| 4.07 | 58.95 | 2.27 | 32.84 | -12.17 | 236.84 | -19.94 | 133.86 | 0.4642 | -1077.9 | -511.1 | |
| 3.80 | -86.00 | 2.12 | -86.00 | -11.60 | 236.78 | -19.99 | 132.87 | 0.4589 | 544.5 | 999999 | |
| 0.00 | 1.15 | 0.00 | 0.63 | -9.67 | 236.92 | -19.86 | 129.79 | 0.4376 | -753.0 | -670.5 | |
| 0.00 | 1.86 | 0.00 | 1.02 | -9.11 | 236.92 | -19.86 | 128.78 | 0.4320 | -900.0 | -660.0 | |
| 5.13 | -86.00 | 2.87 | -86.00 | -12.24 | 236.64 | -20.14 | 133.68 | 0.4672 | -885.9 | 999999 | |
| 0.00 | 1.41 | 0.00 | 0.78 | -10.09 | 236.73 | -20.05 | 130.25 | 0.4440 | -806.0 | -567.9 | |
| 0.00 | 0.53 | 0.00 | 0.29 | -8.65 | 236.75 | -20.02 | 127.69 | 0.4296 | -816.0 | -603.2 | |
| 0.00 | 1.68 | 0.00 | 0.94 | -11.81 | 236.38 | -20.40 | 132.62 | 0.4656 | 384.0 | 322.7 | |
| 1.59 | 7.95 | 0.89 | 4.45 | -11.28 | 236.15 | -20.62 | 131.45 | 0.4628 | -896.7 | -724.7 | |
| 0.00 | 2.92 | 0.00 | 1.69 | -16.02 | 235.67 | -21.10 | 137.85 | 0.5177 | 768.0 | 631.2 | |
| 0.00 | 0.80 | 0.00 | 0.45 | -11.79 | 236.08 | -20.70 | 132.18 | 0.4688 | 410.0 | 294.8 | |
| 0.00 | 1.94 | 0.00 | 1.07 | -9.12 | 235.91 | -20.86 | 127.40 | 0.4445 | -773.0 | -789.7 | |
| 0.00 | 2.12 | 0.00 | 1.20 | -13.31 | 235.52 | -21.26 | 133.79 | 0.4907 | 530.0 | 278.6 | |
| 0.00 | 1.77 | 0.00 | 0.98 | -8.91 | 235.73 | -21.05 | 126.78 | 0.4448 | -694.0 | -610.3 | |
| 0.00 | 0.35 | 0.00 | 0.20 | -14.52 | 235.17 | -21.61 | 135.09 | 0.5070 | -625.0 | -665.0 | |
| 0.00 | 1.50 | 0.00 | 0.85 | -12.75 | 235.21 | -21.57 | 132.51 | 0.4884 | -829.0 | -682.4 | |
| 0.00 | 1.06 | 0.00 | 0.58 | -7.52 | 235.55 | -21.23 | 123.94 | 0.4345 | -775.0 | -663.2 | |
| 1.77 | 600.44 | 0.99 | 337.12 | -11.29 | 235.20 | -21.58 | 130.18 | 0.4740 | -865.8 | -472.3 | |
| 0.00 | 0.97 | 0.00 | 0.56 | -14.06 | 234.65 | -22.13 | 133.74 | 0.5078 | -761.0 | -560.2 | |
| 0.00 | 0.97 | 0.00 | 0.54 | -8.82 | 235.05 | -21.73 | 125.72 | 0.4525 | -252.0 | -214.5 | |
| 0.00 | 1.06 | 0.00 | 0.58 | -7.42 | 235.10 | -21.68 | 123.17 | 0.4395 | -719.0 | -492.8 | |
| 1.77 | -103.00 | 0.99 | -103.00 | -9.64 | 234.90 | -21.88 | 126.99 | 0.4619 | -997.6 | 999999 | |
| 2.39 | -103.00 | 1.34 | -103.00 | -10.87 | 234.81 | -21.97 | 128.97 | 0.4745 | -797.7 | 999999 | |
| 2.74 | 28.90 | 1.57 | 16.51 | -13.13 | 234.54 | -22.24 | 132.22 | 0.4997 | -864.3 | -552.6 | |
| 0.97 | -103.00 | 0.55 | -103.00 | -11.79 | 234.66 | -22.12 | 130.29 | 0.4851 | -977.0 | 999999 | |
| 0.80 | -103.00 | 0.45 | -103.00 | -11.54 | 234.68 | -22.09 | 129.91 | 0.4824 | -1046.6 | 999999 | |
| 96.51 | -103.00 | 54.12 | -103.00 | -10.30 | 234.72 | -22.06 | 127.91 | 0.4703 | -1135.2 | 999999 | |
| 9.63 | -103.00 | 5.47 | -103.00 | -11.99 | 234.41 | -22.37 | 130.29 | 0.4900 | -827.5 | 999999 | |
| 0.00 | 0.62 | 0.00 | 0.35 | -12.38 | 234.38 | -22.40 | 130.85 | 0.4941 | -560.0 | -499.4 | |
| 3.71 | -103.00 | 2.10 | -103.00 | -11.68 | 234.41 | -22.37 | 129.78 | 0.4870 | -969.5 | 999999 | |
| 3.71 | -109.00 | 2.12 | -109.00 | -12.79 | 234.30 | -22.47 | 131.41 | 0.4990 | -805.0 | 999999 | |
| 2.21 | -103.00 | 1.25 | -103.00 | -11.37 | 234.23 | -22.54 | 129.06 | 0.4861 | -580.4 | 999999 | |
| 0.00 | 1.77 | 0.00 | 1.01 | -12.52 | 234.00 | -22.78 | 130.60 | 0.4999 | -755.0 | -579.5 | |
| 2.65 | -103.00 | 1.51 | -103.00 | -11.79 | 234.03 | -22.75 | 129.49 | 0.4924 | -696.3 | 999999 | |
| 0.88 | 13.17 | 0.51 | 7.56 | -13.04 | 233.81 | -22.97 | 131.17 | 0.5070 | -681.8 | -210.0 | |
| 0.62 | 3.09 | 0.35 | 1.77 | -12.24 | 233.86 | -22.92 | 129.99 | 0.4988 | -735.1 | -644.8 | |
| 0.00 | 6.81 | 0.00 | 3.90 | -12.45 | 233.60 | -23.18 | 129.99 | 0.5036 | -650.0 | -589.1 | |
| 0.00 | 1.86 | 0.00 | 1.07 | -12.46 | 233.30 | -23.48 | 129.65 | 0.5073 | -457.0 | -392.0 | |
| 0.80 | 3.80 | 0.46 | 2.18 | -12.24 | 233.25 | -23.52 | 129.25 | 0.5057 | -777.4 | -629.9 | |
| 0.00 | 2.03 | 0.00 | 1.17 | -12.48 | 232.93 | -23.85 | 129.23 | 0.5118 | -788.0 | -593.4 | |
| 0.00 | 1.41 | 0.00 | 0.80 | -10.35 | 233.02 | -23.76 | 125.93 | 0.4914 | -661.0 | -433.6 | |
| 0.00 | 2.03 | 0.00 | 1.16 | -10.55 | 232.90 | -23.87 | 126.12 | 0.4946 | -731.0 | -558.3 | |
| 0.00 | 0.80 | 0.00 | 0.46 | -12.43 | 232.63 | -24.15 | 128.81 | 0.5148 | -601.0 | -449.4 | |
| 0.00 | 2.30 | 0.00 | 1.35 | -14.12 | 232.07 | -24.71 | 130.70 | 0.5368 | -672.0 | -601.9 | |
| 0.00 | 0.80 | 0.00 | 0.46 | -10.83 | 232.38 | -24.40 | 125.98 | 0.5034 | -650.0 | -492.2 | |
| 0.00 | 2.92 | 0.00 | 1.70 | -13.35 | 232.06 | -24.72 | 129.55 | 0.5298 | -724.0 | -638.2 | |
| 0.00 | 1.24 | 0.00 | 0.75 | -18.02 | 231.05 | -25.73 | 134.85 | 0.5845 | -724.0 | -543.4 | |
| 0.00 | 0.97 | 0.00 | 0.56 | -10.64 | 231.65 | -25.13 | 124.88 | 0.5107 | -580.0 | -420.7 | |
| 0.00 | 0.71 | 0.00 | 0.41 | -11.96 | 231.28 | -25.49 | 126.57 | 0.5264 | -599.0 | -459.9 | |
| 0.00 | 1.24 | 0.00 | 0.71 | -9.01 | 231.04 | -25.73 | 121.52 | 0.5051 | -751.0 | -545.5 | |
| 0.00 | 1.24 | 0.00 | 0.71 | -7.90 | 230.28 | -26.50 | 118.86 | 0.5067 | -826.0 | -701.0 | |
| 0.00 | 1.94 | 0.00 | 1.12 | -7.98 | 230.04 | -26.74 | 118.77 | 0.5104 | -667.0 | -547.0 | |
| 0.00 | 0.71 | 0.00 | 0.40 | -6.51 | 229.79 | -26.98 | 115.96 | 0.5034 | -648.0 | -474.8 | |
| 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. | |