group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
38 | 137 | 30 | 108 | -11.98 | 245.40 | -50.38 | 106.24 | 0.7865 | -41.5 | 100.9 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
8 | 31 | 6 | 23 | -11.94 | 248.81 | -46.96 | 107.05 | 0.7503 | -647.6 | -395.8 | |
5 | 17 | 4 | 13 | -12.24 | 246.98 | -48.79 | 106.94 | 0.7709 | 253.7 | 268.8 | |
3 | 8 | 2 | 6 | -10.60 | 246.35 | -49.42 | 104.70 | 0.7742 | 424.0 | 403.2 | |
0 | 6 | 0 | 5 | -11.67 | 245.67 | -50.10 | 105.90 | 0.7835 | 354.0 | 317.4 | |
0 | 7 | 0 | 5 | -10.89 | 245.31 | -50.47 | 104.83 | 0.7858 | 376.0 | 347.4 | |
0 | 4 | 0 | 3 | -11.05 | 244.90 | -50.88 | 104.95 | 0.7904 | -92.0 | 107.1 | |
9 | 33 | 7 | 27 | -12.79 | 244.25 | -51.52 | 106.95 | 0.8004 | -394.4 | 123.1 | |
0 | 3 | 0 | 2 | -12.04 | 244.46 | -51.32 | 106.08 | 0.7968 | -100.0 | -89.1 | |
0 | 6 | 0 | 5 | -12.22 | 243.26 | -52.51 | 106.02 | 0.8091 | 385.0 | 249.3 | |
13 | 22 | 11 | 19 | -11.57 | 242.20 | -53.58 | 105.01 | 0.8184 | 301.2 | 318.6 |
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. |