| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 163 | 1049 | 111 | 706 | 9.87 | 311.92 | 41.09 | 285.94 | 0.6704 | 109.2 | 76.2 | |
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back to the solar disc SOHO MDI 1999-12-12 01:35:33 UT ![]() |
| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 101 | 593 | 74 | 433 | 9.54 | 317.27 | 46.44 | 283.55 | 0.7375 | 888.8 | 480.3 | |
| 0 | 2 | 0 | 2 | 10.00 | 315.46 | 44.63 | 284.60 | 0.7173 | 537.0 | 712.7 | |
| 1 | 10 | 1 | 7 | 9.68 | 314.97 | 44.14 | 284.29 | 0.7108 | 1016.9 | 835.7 | |
| 0 | 5 | 0 | 4 | 5.85 | 314.25 | 43.42 | 279.03 | 0.6948 | 433.0 | 334.3 | |
| 0 | 13 | 0 | 9 | 9.56 | 314.52 | 43.69 | 284.24 | 0.7051 | 971.0 | 805.2 | |
| 0 | 4 | 0 | 2 | 12.58 | 304.28 | 33.45 | 292.74 | 0.5856 | 417.0 | 371.5 | |
| 0 | 4 | 0 | 2 | 8.25 | 303.06 | 32.23 | 286.00 | 0.5513 | -661.0 | -613.0 | |
| 28 | 393 | 17 | 233 | 10.27 | 303.04 | 32.21 | 289.53 | 0.5588 | -1411.4 | -648.9 | |
| 9 | -8 | 5 | -8 | 10.34 | 302.18 | 31.35 | 290.11 | 0.5473 | -1552.8 | 999999 | |
| 24 | -8 | 14 | -8 | 11.12 | 302.00 | 31.17 | 291.57 | 0.5483 | -1561.4 | 999999 | |
| 0 | 14 | 0 | 8 | 9.41 | 301.72 | 30.89 | 288.69 | 0.5369 | -1092.0 | -921.8 | |
| 0 | 11 | 0 | 6 | 8.85 | 299.43 | 28.60 | 288.91 | 0.5021 | -894.0 | -912.1 | |
| 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. | |