group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 77 | 0 | 38 | -6.64 | 63.30 | -5.29 | 157.34 | 0.2375 | -123.8 | -52.5 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 7 | 0 | 3 | -6.04 | 65.34 | -3.26 | 164.69 | 0.2151 | -980.0 | -805.0 | |
0 | 9 | 0 | 4 | -6.65 | 65.29 | -3.30 | 165.22 | 0.2253 | -760.0 | -539.4 | |
0 | 8 | 0 | 4 | -6.89 | 64.61 | -3.98 | 162.68 | 0.2326 | -695.0 | -684.6 | |
0 | 10 | 0 | 5 | -7.14 | 64.41 | -4.18 | 162.18 | 0.2376 | -937.0 | -788.6 | |
0 | 8 | 0 | 4 | -6.29 | 64.26 | -4.34 | 160.37 | 0.2247 | -1022.0 | -780.4 | |
0 | 4 | 0 | 2 | -6.34 | 63.06 | -5.53 | 155.61 | 0.2331 | -466.0 | -503.8 | |
0 | 4 | 0 | 2 | -6.76 | 61.90 | -6.70 | 152.05 | 0.2482 | 931.0 | 799.0 | |
0 | 7 | 0 | 3 | -6.35 | 61.74 | -6.85 | 150.71 | 0.2435 | 913.0 | 962.4 | |
0 | 15 | 0 | 8 | -6.76 | 61.54 | -7.06 | 150.80 | 0.2512 | 1089.0 | 843.9 | |
0 | 5 | 0 | 3 | -6.65 | 61.10 | -7.50 | 149.06 | 0.2532 | 689.0 | 717.8 |
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. |