group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 53 | 0 | 28 | -14.92 | 324.53 | -7.38 | 159.90 | 0.3611 | -177.4 | -61.3 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 6 | 0 | 3 | -15.31 | 327.63 | -4.27 | 168.04 | 0.3483 | -704.0 | -631.3 | |
0 | 3 | 0 | 2 | -16.18 | 327.09 | -4.81 | 167.15 | 0.3640 | -768.0 | -623.4 | |
0 | 7 | 0 | 4 | -15.15 | 326.68 | -5.23 | 165.35 | 0.3494 | -778.0 | -568.2 | |
0 | 4 | 0 | 2 | -15.53 | 326.10 | -5.80 | 164.13 | 0.3577 | -842.0 | -670.5 | |
0 | 6 | 0 | 3 | -14.75 | 325.76 | -6.14 | 162.58 | 0.3472 | 106.0 | 296.8 | |
0 | 6 | 0 | 3 | -15.82 | 325.45 | -6.46 | 162.70 | 0.3653 | -675.0 | -806.5 | |
0 | 12 | 0 | 6 | -14.72 | 325.32 | -6.58 | 161.38 | 0.3488 | 717.0 | 672.4 | |
0 | 5 | 0 | 3 | -14.66 | 317.91 | -13.99 | 144.38 | 0.4033 | 657.0 | 471.9 | |
0 | 4 | 0 | 2 | -11.96 | 315.75 | -16.16 | 135.88 | 0.3928 | 690.0 | 558.3 |
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. |