group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
28 | 162 | 25 | 141 | -28.46 | 292.65 | -46.29 | 129.50 | 0.8257 | 603.4 | 317.6 |
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back to the solar disc SOHO MDI 2000-10-29 03:11:32 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 3 | 0 | 3 | -27.60 | 296.64 | -42.30 | 130.77 | 0.7898 | 699.0 | 595.9 | |
4 | 78 | 4 | 68 | -29.51 | 293.62 | -45.32 | 131.11 | 0.8234 | 626.2 | 393.5 | |
8 | -2 | 7 | -2 | -29.21 | 293.28 | -45.65 | 130.61 | 0.8244 | 696.5 | 999999 | |
3 | 22 | 3 | 19 | -28.18 | 293.73 | -45.20 | 129.76 | 0.8159 | 739.7 | 526.2 | |
4 | -4 | 3 | -4 | -27.97 | 293.54 | -45.39 | 129.43 | 0.8163 | 654.2 | 999999 | |
2 | 10 | 2 | 8 | -28.99 | 292.46 | -46.48 | 129.95 | 0.8295 | 186.5 | -21.9 | |
0 | 4 | 0 | 3 | -28.46 | 290.69 | -48.25 | 128.50 | 0.8403 | 13.0 | 99.4 | |
0 | 5 | 0 | 5 | -27.82 | 290.81 | -48.13 | 127.88 | 0.8366 | 441.0 | 371.8 | |
7 | 36 | 6 | 32 | -26.96 | 290.85 | -48.09 | 126.99 | 0.8325 | 574.8 | 155.7 | |
0 | 4 | 0 | 3 | -27.96 | 289.99 | -48.94 | 127.65 | 0.8433 | -238.0 | -242.5 |
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. |