group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 54 | 0 | 27 | 21.32 | 350.91 | 9.34 | 332.71 | 0.3294 | -66.2 | -245.6 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 8 | 0 | 4 | 20.82 | 355.33 | 13.76 | 321.69 | 0.3603 | 1146.0 | 948.2 | |
0 | 4 | 0 | 2 | 21.33 | 353.94 | 12.37 | 325.43 | 0.3532 | 854.0 | 752.8 | |
0 | 4 | 0 | 2 | 21.27 | 352.54 | 10.97 | 328.40 | 0.3399 | 710.0 | 551.8 | |
0 | 7 | 0 | 4 | 21.18 | 350.35 | 8.78 | 333.55 | 0.3211 | -1140.0 | -922.0 | |
0 | 10 | 0 | 5 | 21.62 | 350.34 | 8.77 | 334.24 | 0.3275 | -884.0 | -707.3 | |
0 | 11 | 0 | 6 | 21.47 | 349.82 | 8.25 | 335.33 | 0.3216 | -982.0 | -900.8 | |
0 | 5 | 0 | 2 | 21.24 | 347.89 | 6.32 | 340.31 | 0.3061 | 701.0 | 584.9 | |
0 | 5 | 0 | 2 | 21.50 | 346.24 | 4.67 | 345.40 | 0.3020 | -935.0 | -786.3 |
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. |