group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 29 | 0 | 15 | -10.68 | 261.43 | -2.96 | 171.16 | 0.3181 | -661.6 | -570.0 |
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back to the solar disc SOHO MDI 2000-09-10 04:47:31 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 8 | 0 | 4 | -10.73 | 263.59 | -0.79 | 177.50 | 0.3103 | -859.0 | -715.5 | |
0 | 3 | 0 | 2 | -9.38 | 263.16 | -1.22 | 175.80 | 0.2882 | -734.0 | -631.3 | |
0 | 8 | 0 | 4 | -11.14 | 262.87 | -1.51 | 175.33 | 0.3180 | -496.0 | -490.8 | |
0 | 5 | 0 | 2 | -10.69 | 262.80 | -1.58 | 174.96 | 0.3106 | -863.0 | -691.1 | |
0 | 5 | 0 | 3 | -10.88 | 254.54 | -9.85 | 151.51 | 0.3536 | -356.0 | -359.8 |
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. |