group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
27 | 85 | 14 | 44 | -9.62 | 331.51 | -2.40 | 170.05 | 0.2527 | -1437.8 | -739.3 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 5 | 0 | 3 | -10.32 | 335.96 | 2.05 | 187.81 | 0.2600 | -601.0 | -497.0 | |
0 | 7 | 0 | 4 | -11.35 | 335.49 | 1.58 | 185.65 | 0.2765 | -1112.0 | -876.0 | |
0 | 9 | 0 | 4 | -11.27 | 335.22 | 1.31 | 184.69 | 0.2747 | -726.0 | -491.4 | |
27 | 57 | 14 | 29 | -9.17 | 330.41 | -3.50 | 165.72 | 0.2456 | -1470.8 | -777.0 | |
0 | 7 | 0 | 4 | -8.94 | 328.41 | -5.50 | 157.89 | 0.2525 | -1002.0 | -758.7 |
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. |