group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
36 | 218 | 62 | 373 | 10.57 | 291.15 | 71.50 | 283.14 | 0.9574 | 61.7 | 180.9 |
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back to the solar disc SOHO MDI 2000-04-03 05:30:33 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
4 | 33 | 9 | 80 | 10.24 | 296.17 | 76.52 | 281.94 | 0.9791 | -45.1 | -70.7 | |
3 | -1 | 8 | -1 | 10.51 | 296.38 | 76.73 | 282.18 | 0.9799 | -85.7 | 999999 | |
0 | 8 | 0 | 17 | 10.49 | 294.40 | 74.75 | 282.48 | 0.9727 | 142.0 | 46.1 | |
2 | 15 | 3 | 26 | 9.52 | 291.45 | 71.80 | 281.99 | 0.9591 | 381.7 | 351.6 | |
8 | 143 | 13 | 222 | 10.07 | 289.07 | 69.42 | 282.98 | 0.9474 | -442.7 | 240.7 | |
9 | -5 | 13 | -5 | 10.49 | 289.28 | 69.63 | 283.38 | 0.9489 | 127.4 | 999999 | |
7 | -5 | 11 | -5 | 11.42 | 289.66 | 70.01 | 284.27 | 0.9519 | 469.4 | 999999 | |
3 | 19 | 5 | 28 | 11.84 | 288.75 | 69.09 | 284.89 | 0.9475 | 538.8 | 348.7 |
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. |