Mount Wilson 2000-01-11 16:03:00 UT
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 0 | 105 | 0 | 53 | -17.74 | 231.65 | 4.12 | 198.00 | 0.2526 | |
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| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 0 | 10 | 0 | 5 | -19.47 | 234.87 | 7.34 | 204.48 | 0.2922 | |
| 0 | 4 | 0 | 2 | -20.78 | 234.53 | 7.00 | 201.68 | 0.3099 | |
| 0 | 16 | 0 | 8 | -21.42 | 234.38 | 6.85 | 200.47 | 0.3189 | |
| 0 | 15 | 0 | 8 | -21.81 | 233.61 | 6.08 | 197.95 | 0.3207 | |
| 0 | 31 | 0 | 15 | -12.93 | 232.62 | 5.09 | 209.51 | 0.1765 | |
| 0 | 12 | 0 | 6 | -11.28 | 230.35 | 2.82 | 201.20 | 0.1339 | |
| 0 | 17 | 0 | 9 | -21.52 | 224.32 | -3.21 | 170.11 | 0.3045 | |
| 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 | |