Gyula 2000-08-21 15:14:58 UT
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 31 | 173 | 18 | 98 | 13.22 | 191.58 | 28.49 | 285.08 | 0.4811 | |
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| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 0 | 1 | 0 | 1 | 12.95 | 220.56 | 57.47 | 280.97 | 0.8390 | |
| 0 | 1 | 0 | 1 | 13.17 | 220.06 | 56.98 | 281.23 | 0.8345 | |
| 31 | 168 | 18 | 94 | 13.18 | 191.05 | 27.96 | 285.03 | 0.4746 | |
| 0 | 2 | 0 | 1 | 13.87 | 189.41 | 26.32 | 287.17 | 0.4524 | |
| 0 | 1 | 0 | 1 | 16.73 | 185.84 | 22.74 | 295.81 | 0.4130 | |
| 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 | |