group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
60 | 438 | 60 | 433 | 9.77 | 298.41 | -59.71 | 79.66 | 0.8667 | 910.0 | 297.6 |
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back to the solar disc SOHO MDI 2000-11-23 23:59:32 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 5 | 0 | 5 | 8.28 | 303.33 | -54.80 | 81.04 | 0.8209 | 220.0 | 362.8 | |
0 | 28 | 0 | 24 | 8.86 | 303.13 | -54.99 | 80.36 | 0.8232 | 841.0 | 551.5 | |
8 | 37 | 7 | 34 | 9.77 | 300.80 | -57.33 | 79.46 | 0.8459 | 988.4 | 493.9 | |
52 | 365 | 53 | 366 | 10.18 | 298.12 | -60.01 | 79.22 | 0.8699 | 906.7 | 268.1 | |
-4 | -4 | -4 | -4 | 9.51 | 298.00 | -60.13 | 79.99 | 0.8705 | 999999 | 999999 | |
-4 | -4 | -4 | -4 | 9.81 | 297.59 | -60.53 | 79.67 | 0.8741 | 999999 | 999999 | |
0 | 3 | 0 | 4 | 11.11 | 290.41 | -67.72 | 78.67 | 0.9277 | -204.0 | -272.1 |
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. |