group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
22 | 148 | 11 | 77 | 7.43 | 108.92 | -9.01 | 44.95 | 0.2192 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
22 | 122 | 11 | 62 | 7.43 | 109.99 | -7.94 | 42.11 | 0.2052 | |
0 | 7 | 0 | 4 | 7.52 | 105.37 | -12.56 | 54.65 | 0.2655 | |
0 | 3 | 0 | 2 | 7.89 | 104.46 | -13.47 | 55.41 | 0.2815 | |
0 | 5 | 0 | 3 | 8.49 | 104.07 | -13.86 | 54.43 | 0.2926 | |
0 | 11 | 0 | 6 | 6.73 | 104.12 | -13.80 | 59.58 | 0.2760 |
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 |