group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
46 | 312 | 47 | 310 | -10.16 | 273.30 | -58.61 | 104.45 | 0.8678 | -165.9 | -100.5 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
25 | 184 | 23 | 167 | -9.24 | 276.52 | -55.39 | 104.13 | 0.8398 | -897.0 | -354.7 | |
0 | 6 | 0 | 5 | -10.86 | 274.88 | -57.02 | 105.60 | 0.8575 | -256.0 | -172.0 | |
0 | 3 | 0 | 3 | -10.23 | 271.98 | -59.93 | 104.23 | 0.8806 | 417.0 | 308.7 | |
4 | 14 | 4 | 15 | -10.64 | 270.63 | -61.27 | 104.40 | 0.8917 | 537.5 | 443.4 | |
0 | 4 | 0 | 5 | -12.41 | 269.27 | -62.63 | 106.06 | 0.9044 | 493.0 | 480.6 | |
17 | 101 | 20 | 115 | -11.30 | 269.12 | -62.79 | 104.82 | 0.9039 | 522.7 | 164.9 |
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. |