Gyula 2000-04-03 08:25:14 UT
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 21 | 113 | 18 | 95 | 7.95 | 165.75 | -52.55 | 75.42 | 0.8146 | |
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| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 0 | 2 | 0 | 1 | 9.40 | 165.73 | -52.58 | 73.70 | 0.8185 | |
| 20 | 110 | 17 | 93 | 7.96 | 165.80 | -52.50 | 75.39 | 0.8141 | |
| 1 | -2 | 1 | -2 | 7.93 | 165.22 | -53.09 | 75.60 | 0.8198 | |
| 0 | 1 | 0 | 1 | 5.69 | 163.88 | -54.42 | 78.62 | 0.8277 | |
| 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 | |