group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
163 | 1038 | 130 | 828 | -4.20 | 6.01 | -51.09 | 98.07 | 0.7862 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
0 | 7 | 0 | 6 | -6.54 | 6.27 | -50.83 | 101.08 | 0.7872 | |
158 | 1028 | 126 | 819 | -4.17 | 6.05 | -51.05 | 98.04 | 0.7857 | |
5 | -2 | 4 | -2 | -5.04 | 4.90 | -52.21 | 98.94 | 0.7992 | |
0 | 3 | 0 | 3 | -0.61 | 4.16 | -52.94 | 93.31 | 0.8016 |
Proj. U | - Projected umbra area in millionths of solar disc, negative values indicate | |
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 | |
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 |