SOHO MDI 2000-04-17 15:59:33 UT
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 20 | 148 | 11 | 85 | 14.78 | 4.38 | -24.79 | 50.25 | 0.5293 | |
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| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 5 | 27 | 3 | 16 | 14.82 | 5.84 | -23.32 | 48.51 | 0.5131 | |
| 2 | -1 | 1 | -1 | 14.40 | 5.85 | -23.32 | 49.14 | 0.5091 | |
| 3 | 25 | 2 | 14 | 13.96 | 5.50 | -23.67 | 50.23 | 0.5089 | |
| 2 | -3 | 1 | -3 | 14.18 | 5.26 | -23.91 | 50.18 | 0.5137 | |
| 0 | 7 | 0 | 4 | 13.61 | 5.10 | -24.07 | 51.25 | 0.5103 | |
| 0 | 11 | 0 | 6 | 14.97 | 4.10 | -25.07 | 50.29 | 0.5342 | |
| 0 | 4 | 0 | 2 | 16.49 | 3.81 | -25.36 | 48.42 | 0.5512 | |
| 0 | 7 | 0 | 4 | 13.40 | 4.06 | -25.10 | 52.73 | 0.5207 | |
| 0 | 8 | 0 | 4 | 16.20 | 3.53 | -25.64 | 49.12 | 0.5517 | |
| 6 | 13 | 3 | 8 | 14.70 | 3.64 | -25.53 | 51.20 | 0.5370 | |
| 0 | 6 | 0 | 4 | 14.12 | 3.58 | -25.59 | 52.14 | 0.5327 | |
| 2 | 40 | 1 | 23 | 15.42 | 3.33 | -25.84 | 50.47 | 0.5470 | |
| 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 | |