Gyula 2000-04-15 06:22:59 UT
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 20 | 176 | 13 | 121 | -19.39 | 104.27 | 43.25 | 247.79 | 0.7003 | |
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| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 6 | 173 | 4 | 120 | -19.17 | 104.85 | 43.83 | 248.26 | 0.7065 | |
| 0 | 1 | 0 | 0 | -18.61 | 103.94 | 42.91 | 248.79 | 0.6944 | |
| 3 | -1 | 2 | -1 | -19.40 | 104.73 | 43.70 | 247.91 | 0.7057 | |
| 9 | -1 | 6 | -1 | -19.52 | 103.98 | 42.96 | 247.53 | 0.6974 | |
| 2 | -1 | 1 | -1 | -19.74 | 104.01 | 42.99 | 247.23 | 0.6983 | |
| 0 | 2 | 0 | 1 | -17.02 | 93.34 | 32.31 | 247.38 | 0.5559 | |
| 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 | |