group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
34 | 136 | 30 | 117 | -18.14 | 163.32 | -55.85 | 107.64 | 0.8264 | 426.6 | 110.0 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
3 | 27 | 3 | 21 | -18.29 | 167.39 | -51.78 | 108.25 | 0.7877 | -898.2 | -618.6 | |
0 | 3 | 0 | 2 | -18.46 | 166.57 | -52.59 | 108.36 | 0.7961 | -368.0 | -365.9 | |
5 | 20 | 4 | 16 | -17.93 | 166.53 | -52.64 | 107.69 | 0.7960 | -602.9 | -275.2 | |
0 | 5 | 0 | 4 | -18.07 | 165.79 | -53.38 | 107.78 | 0.8035 | -323.0 | -304.4 | |
0 | 3 | 0 | 2 | -17.81 | 165.56 | -53.61 | 107.43 | 0.8055 | -297.0 | -169.7 | |
10 | 78 | 9 | 72 | -17.88 | 161.44 | -57.72 | 107.14 | 0.8441 | 835.6 | 452.1 | |
11 | -6 | 10 | -6 | -18.25 | 161.09 | -58.07 | 107.55 | 0.8475 | 811.6 | 999999 | |
5 | -6 | 4 | -6 | -18.48 | 160.50 | -58.67 | 107.77 | 0.8528 | 680.4 | 999999 |
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. |