group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
64 | 423 | 34 | 221 | 18.75 | 317.67 | 14.09 | 313.41 | 0.3178 | 1852.4 | 559.3 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 4 | 0 | 2 | 17.10 | 319.15 | 15.57 | 306.27 | 0.3196 | 871.0 | 647.5 | |
0 | 5 | 0 | 3 | 21.81 | 318.96 | 15.38 | 317.43 | 0.3656 | 596.0 | 546.5 | |
16 | 383 | 9 | 201 | 19.30 | 318.44 | 14.86 | 312.96 | 0.3322 | 1525.7 | 646.8 | |
48 | -3 | 25 | -3 | 18.83 | 318.05 | 14.47 | 312.55 | 0.3225 | 2111.9 | 999999 | |
0 | 5 | 0 | 2 | 13.10 | 315.14 | 11.56 | 301.00 | 0.2288 | -488.0 | -521.8 | |
0 | 5 | 0 | 3 | 12.98 | 314.85 | 11.27 | 301.18 | 0.2236 | -824.0 | -650.9 | |
0 | 5 | 0 | 2 | 16.02 | 312.55 | 8.97 | 318.08 | 0.2253 | -745.0 | -529.6 | |
0 | 6 | 0 | 3 | 18.80 | 308.20 | 4.62 | 340.37 | 0.2279 | -642.0 | -597.4 | |
0 | 4 | 0 | 2 | 17.92 | 307.59 | 4.01 | 341.46 | 0.2103 | -797.0 | -630.3 | |
0 | 6 | 0 | 3 | 14.96 | 307.45 | 3.87 | 336.17 | 0.1621 | -888.0 | -744.1 |
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. |