group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
10 | 36 | 6 | 22 | -13.49 | 126.63 | 31.03 | 240.07 | 0.5810 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
5 | 23 | 3 | 14 | -12.50 | 128.68 | 33.08 | 243.24 | 0.5992 | |
5 | -1 | 3 | -1 | -12.61 | 128.37 | 32.77 | 242.86 | 0.5959 | |
0 | 4 | 0 | 2 | -14.16 | 124.33 | 28.73 | 237.31 | 0.5560 | |
0 | 3 | 0 | 2 | -13.39 | 124.04 | 28.44 | 238.29 | 0.5468 | |
0 | 3 | 0 | 2 | -15.33 | 123.81 | 28.21 | 235.05 | 0.5585 | |
0 | 3 | 0 | 2 | -17.67 | 121.04 | 25.45 | 228.80 | 0.5463 |
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 |