group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
50.19 | 278.74 | 49.90 | 277.11 | -17.62 | 58.69 | -55.40 | 115.11 | 0.8681 | 524.8 | 128.1 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
47.26 | 265.01 | 46.46 | 261.12 | -17.67 | 59.03 | -55.06 | 115.28 | 0.8658 | 668.1 | 156.2 | |
0.00 | 1.15 | 0.00 | 1.21 | -18.14 | 56.80 | -57.30 | 114.98 | 0.8841 | 156.0 | 113.8 | |
0.00 | 1.77 | 0.00 | 2.07 | -17.04 | 53.17 | -60.92 | 112.63 | 0.9071 | -597.0 | -531.8 | |
0.00 | 1.68 | 0.00 | 2.00 | -17.41 | 52.76 | -61.33 | 112.90 | 0.9106 | -557.0 | -429.8 | |
0.00 | 2.31 | 0.00 | 2.67 | -16.58 | 53.22 | -60.87 | 112.16 | 0.9057 | -432.0 | -476.5 | |
2.04 | 4.34 | 2.39 | 5.10 | -16.40 | 52.80 | -61.29 | 111.84 | 0.9082 | -441.8 | -377.5 | |
0.89 | 2.48 | 1.05 | 2.94 | -16.68 | 52.64 | -61.45 | 112.09 | 0.9098 | -254.0 | -154.5 |
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. |