group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
30 | 143 | 24 | 115 | -28.63 | 292.74 | -41.17 | 132.53 | 0.7865 | 758.9 | 408.5 |
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back to the solar disc SOHO MDI 2000-10-29 12:20:32 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 3 | 0 | 2 | -27.45 | 296.34 | -37.57 | 133.60 | 0.7496 | 578.0 | 583.6 | |
0 | 6 | 0 | 4 | -26.91 | 294.79 | -39.12 | 131.96 | 0.7590 | 672.0 | 602.0 | |
7 | 77 | 5 | 62 | -29.48 | 293.40 | -40.51 | 133.84 | 0.7863 | 891.8 | 415.4 | |
6 | -3 | 5 | -3 | -29.27 | 293.03 | -40.88 | 133.39 | 0.7879 | 808.3 | 999999 | |
0 | 5 | 0 | 4 | -30.23 | 292.43 | -41.48 | 134.03 | 0.7982 | 68.0 | 31.1 | |
7 | 15 | 6 | 12 | -28.01 | 293.51 | -40.40 | 132.34 | 0.7765 | 749.8 | 643.8 | |
0 | 3 | 0 | 3 | -28.13 | 292.99 | -40.92 | 132.15 | 0.7814 | 220.0 | 263.6 | |
0 | 5 | 0 | 4 | -28.89 | 292.39 | -41.51 | 132.60 | 0.7906 | 357.0 | 246.7 | |
0 | 3 | 0 | 3 | -28.41 | 290.55 | -43.36 | 131.00 | 0.8024 | 192.0 | 180.1 | |
10 | 26 | 8 | 21 | -26.96 | 290.55 | -43.36 | 129.44 | 0.7947 | 713.5 | 356.1 |
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. |