group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
36 | 219 | 27 | 157 | -34.04 | 327.98 | 23.52 | 207.15 | 0.7270 | -153.9 | -18.5 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
15 | 121 | 11 | 88 | -32.97 | 332.05 | 27.59 | 211.88 | 0.7380 | -1076.0 | -435.4 | |
5 | -1 | 4 | -1 | -33.20 | 331.65 | 27.19 | 211.32 | 0.7377 | -1093.4 | 999999 | |
0 | 3 | 0 | 2 | -34.72 | 324.80 | 20.34 | 203.64 | 0.7150 | -672.0 | -550.4 | |
0 | 4 | 0 | 3 | -34.99 | 323.85 | 19.39 | 202.49 | 0.7134 | 498.0 | 415.0 | |
16 | 91 | 12 | 64 | -35.37 | 322.82 | 18.36 | 201.19 | 0.7129 | 1002.4 | 551.1 |
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. |