| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 159 | 1067 | 110 | 740 | 9.85 | 312.00 | 42.93 | 285.30 | 0.6929 | 71.4 | 58.1 | |
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back to the solar disc SOHO MDI 1999-12-12 04:47:33 UT ![]() |
| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 97 | 588 | 73 | 444 | 9.51 | 317.23 | 48.16 | 283.14 | 0.7569 | 820.1 | 413.5 | |
| 0 | 8 | 0 | 6 | 10.19 | 315.30 | 46.22 | 284.48 | 0.7364 | 602.0 | 486.8 | |
| 0 | 18 | 0 | 13 | 9.65 | 315.03 | 45.96 | 283.81 | 0.7321 | 968.0 | 808.0 | |
| 0 | 5 | 0 | 3 | 9.10 | 314.71 | 45.64 | 283.14 | 0.7273 | 824.0 | 739.9 | |
| 0 | 4 | 0 | 3 | 5.81 | 314.27 | 45.20 | 278.70 | 0.7165 | 351.0 | 360.7 | |
| 0 | 10 | 0 | 7 | 9.41 | 314.54 | 45.47 | 283.60 | 0.7260 | 778.0 | 666.6 | |
| 0 | 3 | 0 | 2 | 10.69 | 313.88 | 44.81 | 285.51 | 0.7211 | 662.0 | 544.6 | |
| 0 | 6 | 0 | 4 | 9.47 | 312.48 | 43.41 | 284.20 | 0.7016 | 380.0 | 212.5 | |
| 0 | 7 | 0 | 5 | 14.30 | 313.30 | 44.23 | 290.57 | 0.7243 | 362.0 | 214.7 | |
| 0 | 5 | 0 | 3 | 8.13 | 303.19 | 34.12 | 285.06 | 0.5773 | -650.0 | -489.3 | |
| 27 | 376 | 16 | 228 | 10.23 | 303.09 | 34.02 | 288.61 | 0.5833 | -1428.1 | -655.2 | |
| 8 | -11 | 5 | -11 | 10.38 | 302.27 | 33.20 | 289.25 | 0.5727 | -1501.3 | 999999 | |
| 24 | -11 | 14 | -11 | 11.08 | 302.08 | 33.01 | 290.52 | 0.5731 | -1525.0 | 999999 | |
| 3 | 17 | 2 | 10 | 9.44 | 301.84 | 32.77 | 287.87 | 0.5632 | -1156.3 | -848.9 | |
| 0 | 3 | 0 | 2 | 9.40 | 301.14 | 32.07 | 288.12 | 0.5534 | 304.0 | 176.9 | |
| 0 | 10 | 0 | 6 | 8.54 | 299.65 | 30.58 | 287.30 | 0.5291 | -1012.0 | -904.6 | |
| 0 | 7 | 0 | 4 | 8.77 | 299.36 | 30.29 | 287.87 | 0.5259 | -702.0 | -708.6 | |
| 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. | |