group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
28 | 94 | 24 | 80 | -11.94 | 245.01 | -51.98 | 105.83 | 0.8028 | -88.2 | 136.7 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
8 | 21 | 6 | 16 | -11.88 | 248.53 | -48.46 | 106.57 | 0.7665 | -372.5 | -346.4 | |
0 | 5 | 0 | 4 | -12.22 | 246.75 | -50.24 | 106.56 | 0.7861 | -22.0 | 39.6 | |
0 | 7 | 0 | 6 | -10.61 | 246.47 | -50.52 | 104.48 | 0.7858 | 490.0 | 427.6 | |
0 | 3 | 0 | 3 | -11.49 | 245.70 | -51.29 | 105.40 | 0.7955 | 327.0 | 372.1 | |
1 | 7 | 1 | 6 | -10.90 | 245.46 | -51.52 | 104.63 | 0.7968 | 440.3 | 421.3 | |
10 | 28 | 9 | 24 | -12.85 | 244.10 | -52.89 | 106.71 | 0.8141 | -428.9 | 132.5 | |
0 | 4 | 0 | 4 | -12.08 | 243.20 | -53.78 | 105.58 | 0.8213 | 391.0 | 344.8 | |
9 | 19 | 8 | 17 | -11.54 | 242.21 | -54.77 | 104.75 | 0.8298 | 403.8 | 326.6 |
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. |