group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
5 | 58 | 7 | 70 | -12.14 | 242.44 | -62.90 | 106.58 | 0.9084 | -211.5 | -146.6 |
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back to the solar disc SOHO MDI 2000-08-10 20:47:31 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 8 | 0 | 8 | -11.70 | 248.01 | -57.33 | 107.57 | 0.8667 | -286.0 | -344.4 | |
0 | 5 | 0 | 5 | -8.95 | 246.45 | -58.89 | 104.08 | 0.8740 | -330.0 | -179.3 | |
0 | 5 | 0 | 5 | -8.61 | 246.54 | -58.81 | 103.73 | 0.8726 | -310.0 | -240.5 | |
0 | 2 | 0 | 3 | -8.99 | 243.16 | -62.18 | 103.35 | 0.8997 | -4.0 | -157.8 | |
5 | 14 | 7 | 18 | -13.35 | 241.07 | -64.27 | 107.54 | 0.9209 | -226.3 | -134.5 | |
0 | 6 | 0 | 7 | -8.37 | 242.91 | -62.43 | 102.62 | 0.9006 | 369.0 | 330.3 | |
0 | 18 | 0 | 24 | -14.28 | 239.70 | -65.64 | 108.20 | 0.9309 | -192.0 | -201.1 |
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. |