group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 36 | 0 | 26 | -16.22 | 228.37 | -37.77 | 122.47 | 0.6966 | 464.1 | 450.7 |
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back to the solar disc SOHO MDI 2000-09-10 01:35:31 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 5 | 0 | 3 | -11.44 | 237.61 | -28.53 | 123.12 | 0.5611 | 650.0 | 467.6 | |
0 | 4 | 0 | 3 | -16.09 | 231.89 | -34.25 | 124.76 | 0.6605 | 564.0 | 483.8 | |
0 | 4 | 0 | 3 | -16.28 | 227.89 | -38.25 | 122.14 | 0.7041 | 481.0 | 436.9 | |
0 | 9 | 0 | 6 | -16.42 | 227.23 | -38.91 | 121.88 | 0.7118 | 725.0 | 642.0 | |
0 | 4 | 0 | 3 | -16.28 | 226.90 | -39.24 | 121.49 | 0.7144 | 751.0 | 658.3 | |
0 | 3 | 0 | 2 | -16.85 | 226.71 | -39.44 | 122.06 | 0.7197 | 417.0 | 372.1 | |
0 | 5 | 0 | 4 | -16.53 | 225.93 | -40.21 | 121.19 | 0.7258 | 510.0 | 426.2 | |
0 | 2 | 0 | 2 | -21.54 | 222.17 | -43.97 | 124.79 | 0.7887 | -385.0 | -361.6 |
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. |