Debrecen 1981-10-06 09:54:27 UT
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 0 | 14 | 0 | 7 | 9.06 | 75.87 | -2.36 | 32.75 | 0.0624 | |
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| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 0 | 7 | 0 | 4 | 7.36 | 77.79 | -0.43 | 24.61 | 0.0181 | |
| 0 | 2 | 0 | 1 | 9.15 | 76.75 | -1.49 | 28.27 | 0.0543 | |
| 0 | 1 | 0 | 0 | 9.25 | 75.31 | -2.91 | 45.44 | 0.0707 | |
| 0 | 1 | 0 | 1 | 11.48 | 73.40 | -4.82 | 42.92 | 0.1214 | |
| 0 | 1 | 0 | 0 | 11.07 | 72.83 | -5.39 | 48.49 | 0.1236 | |
| 0 | 2 | 0 | 1 | 12.50 | 71.19 | -7.03 | 48.26 | 0.1610 | |
| 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 | |