group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
9 | 65 | 8 | 55 | -11.43 | 243.90 | -51.36 | 109.16 | 0.8110 | -478.4 | -245.7 |
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back to the solar disc SOHO MDI 2000-08-11 15:05:31 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 7 | 0 | 5 | -12.48 | 248.35 | -46.91 | 112.17 | 0.7722 | -385.0 | -497.9 | |
0 | 6 | 0 | 4 | -8.53 | 249.01 | -46.24 | 107.49 | 0.7512 | 1.0 | 52.1 | |
0 | 7 | 0 | 5 | -9.09 | 248.16 | -47.10 | 107.88 | 0.7623 | -586.0 | -397.1 | |
0 | 5 | 0 | 4 | -8.62 | 247.05 | -48.21 | 106.88 | 0.7726 | -342.0 | -385.0 | |
0 | 6 | 0 | 5 | -8.79 | 246.41 | -48.84 | 106.88 | 0.7798 | -262.0 | -234.0 | |
0 | 7 | 0 | 6 | -8.25 | 243.89 | -51.37 | 105.38 | 0.8040 | 616.0 | 532.8 | |
5 | 14 | 5 | 13 | -13.43 | 241.09 | -54.16 | 110.54 | 0.8441 | -537.4 | -394.2 | |
4 | 13 | 3 | 13 | -14.18 | 239.84 | -55.42 | 110.97 | 0.8569 | -507.5 | -354.5 |
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. |