| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 21 | 166 | 44 | 331 | 20.08 | 282.67 | 74.69 | 290.70 | 0.9692 | |
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previous
day for the same group /
back to the solar disc Debrecen 2000-12-05 09:09:08 UT ![]() |
| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 1 | 154 | 3 | 314 | 19.53 | 283.23 | 75.24 | 290.08 | 0.9714 | |
| 19 | -1 | 39 | -1 | 20.15 | 282.98 | 75.00 | 290.74 | 0.9707 | |
| 0 | 2 | 0 | 3 | 20.23 | 279.66 | 71.67 | 291.13 | 0.9563 | |
| 1 | 9 | 2 | 12 | 19.28 | 276.10 | 68.11 | 290.56 | 0.9370 | |
| 0 | 1 | 0 | 2 | 20.92 | 275.91 | 67.92 | 292.32 | 0.9372 | |
| 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 | |