SOHO MDI 1999-05-21 09:35:33 UT
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 92 | 577 | 53 | 333 | -20.95 | 118.54 | 24.30 | 228.78 | 0.5098 | 225.3 | 302.1 | |
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| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 16 | 103 | 10 | 64 | -19.80 | 127.50 | 33.26 | 238.93 | 0.6047 | -1406.3 | -373.5 | |
| 5 | 13 | 3 | 8 | -19.62 | 126.46 | 32.22 | 238.53 | 0.5911 | -1200.3 | -885.3 | |
| 0 | 6 | 0 | 4 | -20.11 | 126.53 | 32.29 | 237.82 | 0.5949 | -924.0 | -666.9 | |
| 0 | 5 | 0 | 3 | -18.67 | 126.16 | 31.92 | 239.79 | 0.5818 | -1022.0 | -704.0 | |
| 0 | 2 | 0 | 1 | -17.13 | 125.61 | 31.37 | 241.91 | 0.5660 | -780.0 | -723.4 | |
| 0 | 5 | 0 | 3 | -18.20 | 125.23 | 30.99 | 239.92 | 0.5675 | -622.0 | -518.4 | |
| 4 | 10 | 3 | 6 | -17.84 | 124.63 | 30.39 | 240.08 | 0.5578 | -1015.5 | -869.5 | |
| 0 | 7 | 0 | 4 | -19.18 | 120.53 | 26.29 | 234.50 | 0.5160 | -882.0 | -798.9 | |
| 2 | 14 | 1 | 8 | -19.06 | 120.05 | 25.81 | 234.24 | 0.5092 | -1179.5 | -1058.8 | |
| 2 | -9 | 1 | -9 | -18.98 | 119.72 | 25.47 | 234.05 | 0.5045 | -1271.5 | 999999 | |
| 11 | 24 | 6 | 14 | -19.98 | 119.47 | 25.23 | 232.13 | 0.5094 | -1334.5 | -869.3 | |
| 0 | 7 | 0 | 4 | -20.40 | 118.89 | 24.65 | 230.84 | 0.5062 | -339.0 | -550.7 | |
| 0 | 5 | 0 | 3 | -19.12 | 118.50 | 24.26 | 232.58 | 0.4908 | 841.0 | 689.9 | |
| 0 | 9 | 0 | 5 | -19.42 | 118.13 | 23.89 | 231.68 | 0.4888 | 1144.0 | 854.2 | |
| 0 | 11 | 0 | 6 | -20.37 | 117.83 | 23.59 | 229.74 | 0.4935 | -1000.0 | -715.0 | |
| 0 | 4 | 0 | 2 | -21.17 | 117.18 | 22.94 | 227.70 | 0.4934 | 23.0 | 101.3 | |
| 0 | 11 | 0 | 6 | -21.52 | 116.32 | 22.08 | 226.13 | 0.4871 | 717.0 | 584.9 | |
| 0 | 3 | 0 | 2 | -22.15 | 116.10 | 21.86 | 224.87 | 0.4909 | 703.0 | 584.9 | |
| 7 | 32 | 4 | 18 | -21.11 | 115.67 | 21.43 | 225.98 | 0.4758 | 1191.4 | 674.6 | |
| 0 | 5 | 0 | 3 | -22.41 | 115.64 | 21.40 | 223.90 | 0.4885 | 662.0 | 648.3 | |
| 4 | 300 | 2 | 168 | -21.74 | 115.26 | 21.02 | 224.46 | 0.4777 | 1086.8 | 830.6 | |
| 0 | 1 | 0 | 1 | -20.86 | 115.09 | 20.85 | 225.64 | 0.4670 | 908.0 | 883.1 | |
| 7 | -21 | 4 | -21 | -21.70 | 114.81 | 20.57 | 223.92 | 0.4724 | 1464.1 | 999999 | |
| 4 | -21 | 2 | -21 | -21.54 | 114.47 | 20.23 | 223.73 | 0.4671 | 1870.9 | 999999 | |
| 21 | -21 | 12 | -21 | -22.17 | 114.29 | 20.05 | 222.50 | 0.4718 | 1674.9 | 999999 | |
| 7 | -21 | 4 | -21 | -21.71 | 114.00 | 19.76 | 222.82 | 0.4639 | 2132.4 | 999999 | |
| 2 | -21 | 1 | -21 | -22.13 | 113.79 | 19.55 | 221.87 | 0.4662 | 1666.6 | 999999 | |
| 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. | |