group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
5 | 74 | 3 | 48 | 28.54 | 227.21 | -37.17 | 54.04 | 0.6564 | -417.7 | -28.3 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 8 | 0 | 5 | 24.93 | 231.93 | -32.45 | 56.55 | 0.5854 | 820.0 | 627.2 | |
0 | 4 | 0 | 3 | 26.09 | 231.21 | -33.17 | 55.22 | 0.6006 | 356.0 | 352.4 | |
0 | 10 | 0 | 6 | 25.89 | 230.70 | -33.68 | 55.84 | 0.6052 | 747.0 | 613.1 | |
0 | 8 | 0 | 5 | 26.49 | 230.39 | -33.99 | 55.11 | 0.6122 | 854.0 | 706.3 | |
0 | 7 | 0 | 4 | 25.94 | 229.68 | -34.70 | 56.36 | 0.6172 | 297.0 | 318.9 | |
0 | 3 | 0 | 2 | 35.52 | 224.51 | -39.87 | 46.37 | 0.7232 | -575.0 | -536.4 | |
0 | 3 | 0 | 2 | 30.10 | 224.87 | -39.51 | 53.10 | 0.6906 | -657.0 | -604.1 | |
0 | 10 | 0 | 7 | 29.42 | 225.02 | -39.36 | 53.94 | 0.6857 | -765.0 | -650.3 | |
0 | 6 | 0 | 4 | 32.19 | 223.62 | -40.76 | 51.00 | 0.7133 | -516.0 | -461.9 | |
5 | 15 | 3 | 10 | 30.95 | 222.94 | -41.44 | 52.91 | 0.7138 | -705.7 | -535.7 |
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 | |
MU | - Mean magnetic field within the umbra contour averaged the pixel values with sign. | |
MP | - Mean magnetic field within the penumbra contour averaged the pixel values with sign. |