group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
10 | 37 | 8 | 30 | -39.15 | 270.59 | -24.66 | 155.54 | 0.7800 | -157.0 | -88.0 |
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or next observation for the same group /
back to the solar disc SOHO MDI 2000-08-11 15:05:31 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
5 | 22 | 4 | 17 | -38.52 | 273.29 | -21.96 | 157.35 | 0.7621 | -643.4 | -525.6 | |
1 | -1 | 1 | -1 | -38.15 | 273.09 | -22.17 | 156.92 | 0.7593 | -823.3 | 999999 | |
0 | 3 | 0 | 3 | -39.43 | 269.80 | -25.45 | 154.95 | 0.7863 | 350.0 | 306.0 | |
4 | 12 | 3 | 10 | -40.26 | 266.32 | -28.94 | 152.79 | 0.8095 | 679.8 | 537.6 |
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. |