group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
50 | 295 | 24 | 149 | 13.63 | 192.09 | -3.03 | 23.67 | 0.1288 | -1054.4 | -537.2 |
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back to the solar disc SOHO MDI 2000-08-19 04:47:31 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 3 | 0 | 2 | 10.31 | 195.77 | 0.65 | 349.44 | 0.0614 | -717.0 | -507.4 | |
13 | 28 | 6 | 14 | 16.07 | 195.62 | 0.50 | 356.98 | 0.1607 | 1420.5 | 677.0 | |
0 | 4 | 0 | 2 | 16.27 | 195.13 | 0.01 | 359.94 | 0.1640 | -266.0 | -161.9 | |
3 | 12 | 1 | 6 | 14.79 | 194.60 | -0.52 | 3.64 | 0.1387 | -588.3 | -545.8 | |
34 | 243 | 17 | 122 | 13.15 | 191.65 | -3.47 | 28.29 | 0.1250 | -1970.1 | -675.7 | |
-5 | -5 | -5 | -5 | 13.43 | 191.56 | -3.56 | 27.82 | 0.1299 | 999999 | 999999 | |
-5 | -5 | -5 | -5 | 13.19 | 191.28 | -3.84 | 30.58 | 0.1287 | 999999 | 999999 | |
0 | 5 | 0 | 3 | 15.72 | 190.37 | -4.74 | 27.29 | 0.1744 | -925.0 | -822.1 |
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. |