group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
71 | 470 | 47 | 311 | 19.72 | 272.68 | 39.70 | 294.64 | 0.6632 | 632.6 | 308.6 |
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back to the solar disc SOHO MDI 2000-07-20 03:11:31 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
9 | 346 | 6 | 233 | 19.41 | 275.19 | 42.21 | 293.20 | 0.6918 | 841.4 | 511.0 | |
31 | -1 | 21 | -1 | 19.38 | 274.23 | 41.24 | 293.48 | 0.6804 | 1320.0 | 999999 | |
-2 | -1 | -2 | -1 | 19.46 | 273.53 | 40.55 | 293.84 | 0.6724 | 999999 | 999999 | |
4 | -1 | 3 | -1 | 19.14 | 272.66 | 39.68 | 293.69 | 0.6610 | 1065.7 | 999999 | |
0 | 4 | 0 | 3 | 20.24 | 271.95 | 38.97 | 295.59 | 0.6566 | 427.0 | 379.8 | |
0 | 3 | 0 | 2 | 19.64 | 270.81 | 37.83 | 295.18 | 0.6405 | 421.0 | 400.6 | |
8 | 21 | 5 | 13 | 19.80 | 270.16 | 37.18 | 295.70 | 0.6333 | 945.0 | 753.6 | |
6 | 12 | 4 | 8 | 21.03 | 269.50 | 36.52 | 297.86 | 0.6306 | -567.0 | -335.2 | |
0 | 9 | 0 | 6 | 21.37 | 269.28 | 36.30 | 298.48 | 0.6295 | -197.0 | -30.8 | |
7 | 20 | 4 | 13 | 21.03 | 268.71 | 35.73 | 298.25 | 0.6211 | -859.1 | -661.1 | |
0 | 5 | 0 | 3 | 19.70 | 268.05 | 35.07 | 296.54 | 0.6069 | -630.0 | -517.5 | |
4 | 10 | 2 | 6 | 21.72 | 268.12 | 35.14 | 299.62 | 0.6174 | -759.9 | -669.0 | |
0 | 5 | 0 | 3 | 20.17 | 267.55 | 34.57 | 297.54 | 0.6029 | -755.0 | -601.9 | |
0 | 5 | 0 | 3 | 19.75 | 266.84 | 33.86 | 297.26 | 0.5920 | -776.0 | -687.5 | |
0 | 11 | 0 | 7 | 21.47 | 267.23 | 34.24 | 299.74 | 0.6053 | -1123.0 | -795.9 | |
2 | 9 | 2 | 5 | 20.41 | 266.85 | 33.87 | 298.30 | 0.5954 | -1021.5 | -870.1 | |
0 | 10 | 0 | 6 | 21.24 | 266.91 | 33.93 | 299.56 | 0.6003 | -751.0 | -667.3 |
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. |