group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 57 | 0 | 31 | -15.37 | 326.11 | -13.70 | 146.12 | 0.4121 | -294.1 | -157.0 |
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back to the solar disc SOHO MDI 2000-10-29 01:35:32 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 6 | 0 | 3 | -17.19 | 331.46 | -8.36 | 159.45 | 0.3971 | -824.0 | -592.1 | |
0 | 3 | 0 | 2 | -15.31 | 327.39 | -12.42 | 148.51 | 0.3988 | -699.0 | -563.4 | |
0 | 12 | 0 | 6 | -15.12 | 326.67 | -13.14 | 146.78 | 0.4025 | -1145.0 | -900.1 | |
0 | 8 | 0 | 4 | -15.55 | 326.02 | -13.79 | 146.12 | 0.4137 | -973.0 | -795.6 | |
0 | 5 | 0 | 3 | -16.95 | 325.84 | -13.97 | 147.67 | 0.4337 | -559.0 | -346.9 | |
0 | 14 | 0 | 8 | -14.67 | 324.97 | -14.84 | 142.86 | 0.4122 | 768.0 | 650.3 | |
0 | 5 | 0 | 3 | -14.65 | 324.11 | -15.71 | 141.27 | 0.4204 | 826.0 | 703.2 | |
0 | 4 | 0 | 2 | -14.58 | 323.28 | -16.53 | 139.74 | 0.4280 | 253.0 | 174.6 |
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. |