group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
111 | 545 | 63 | 306 | -27.95 | 54.91 | 13.49 | 205.86 | 0.4748 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
25 | 179 | 14 | 101 | -27.25 | 57.68 | 16.25 | 211.01 | 0.4847 | |
12 | -1 | 7 | -1 | -27.64 | 57.28 | 15.85 | 209.97 | 0.4865 | |
4 | 29 | 2 | 16 | -25.84 | 56.67 | 15.25 | 211.19 | 0.4589 | |
0 | 6 | 0 | 3 | -26.47 | 56.54 | 15.11 | 210.20 | 0.4659 | |
0 | 3 | 0 | 1 | -27.53 | 56.06 | 14.63 | 208.20 | 0.4759 | |
0 | 6 | 0 | 3 | -26.19 | 55.49 | 14.06 | 208.81 | 0.4542 | |
0 | 4 | 0 | 3 | -28.21 | 55.75 | 14.32 | 206.97 | 0.4827 | |
0 | 5 | 0 | 3 | -28.51 | 55.43 | 14.00 | 206.15 | 0.4845 | |
0 | 7 | 0 | 4 | -27.41 | 55.24 | 13.81 | 207.02 | 0.4686 | |
4 | 18 | 2 | 10 | -28.56 | 54.59 | 13.16 | 204.75 | 0.4796 | |
5 | 280 | 3 | 157 | -28.87 | 53.86 | 12.43 | 203.27 | 0.4792 | |
0 | 5 | 0 | 3 | -26.88 | 53.55 | 12.12 | 204.70 | 0.4499 | |
22 | -11 | 12 | -11 | -28.74 | 53.31 | 11.88 | 202.48 | 0.4743 | |
10 | -11 | 6 | -11 | -27.86 | 52.90 | 11.47 | 202.61 | 0.4594 | |
24 | -11 | 14 | -11 | -28.71 | 52.82 | 11.39 | 201.68 | 0.4709 | |
5 | -11 | 3 | -11 | -28.24 | 52.46 | 11.03 | 201.47 | 0.4623 | |
0 | 3 | 0 | 2 | -29.57 | 52.20 | 10.77 | 199.89 | 0.4796 |
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 |