Debrecen 2001-01-28 08:51:04 UT
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 5 | 33 | 3 | 20 | -15.31 | 252.12 | 35.18 | 251.66 | 0.5876 | |
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| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 0 | 3 | 0 | 2 | -12.68 | 253.00 | 36.04 | 256.37 | 0.5929 | |
| 5 | 19 | 3 | 12 | -15.23 | 253.03 | 36.09 | 252.15 | 0.5993 | |
| 0 | 2 | 0 | 1 | -15.68 | 252.53 | 35.58 | 251.24 | 0.5938 | |
| 0 | 5 | 0 | 3 | -16.36 | 250.03 | 33.08 | 249.15 | 0.5626 | |
| 0 | 2 | 0 | 1 | -15.50 | 248.66 | 31.71 | 250.08 | 0.5408 | |
| 0 | 2 | 0 | 1 | -17.89 | 248.77 | 31.82 | 245.90 | 0.5518 | |
| 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 | |