group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
15 | 83 | 8 | 46 | -13.15 | 132.24 | -12.66 | 146.39 | 0.3839 | -938.1 | -126.6 |
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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 | -9.81 | 135.00 | -9.91 | 147.09 | 0.3134 | -536.0 | -410.9 | |
0 | 5 | 0 | 3 | -10.76 | 134.60 | -10.30 | 147.69 | 0.3301 | -790.0 | -684.4 | |
15 | 32 | 8 | 17 | -12.59 | 134.28 | -10.62 | 149.73 | 0.3584 | -1192.1 | -644.1 | |
0 | 7 | 0 | 4 | -13.03 | 133.19 | -11.71 | 147.88 | 0.3736 | -441.0 | -538.1 | |
0 | 4 | 0 | 2 | -13.37 | 132.97 | -11.94 | 147.88 | 0.3801 | -814.0 | -677.5 | |
0 | 3 | 0 | 2 | -13.83 | 131.06 | -13.84 | 144.65 | 0.4032 | 811.0 | 620.8 | |
0 | 7 | 0 | 4 | -13.74 | 129.64 | -15.26 | 141.84 | 0.4157 | 962.0 | 720.3 | |
0 | 5 | 0 | 3 | -16.51 | 128.57 | -16.33 | 143.95 | 0.4599 | 623.0 | 450.7 | |
0 | 10 | 0 | 5 | -14.48 | 128.31 | -16.59 | 140.65 | 0.4378 | 1110.0 | 859.5 | |
0 | 5 | 0 | 3 | -15.24 | 128.25 | -16.65 | 141.66 | 0.4476 | 793.0 | 716.4 |
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. |