group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
30 | 116 | 18 | 69 | -11.32 | 277.59 | -27.84 | 115.09 | 0.5078 | -306.9 | -94.5 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 8 | 0 | 5 | -12.09 | 279.12 | -26.32 | 117.65 | 0.4914 | -881.0 | -787.1 | |
18 | 47 | 10 | 27 | -11.38 | 279.15 | -26.29 | 116.35 | 0.4865 | -1297.3 | -706.6 | |
0 | 6 | 0 | 4 | -11.58 | 278.47 | -26.96 | 116.18 | 0.4970 | -232.0 | -219.0 | |
3 | 8 | 2 | 5 | -13.17 | 277.31 | -28.12 | 118.11 | 0.5224 | 904.4 | 725.0 | |
0 | 5 | 0 | 3 | -10.38 | 277.62 | -27.81 | 113.30 | 0.5017 | -749.0 | -575.3 | |
0 | 5 | 0 | 3 | -12.08 | 276.19 | -29.24 | 115.36 | 0.5308 | 642.0 | 514.6 | |
0 | 3 | 0 | 2 | -11.92 | 275.67 | -29.76 | 114.73 | 0.5369 | 416.0 | 334.4 | |
3 | 10 | 2 | 6 | -10.63 | 275.68 | -29.75 | 112.47 | 0.5299 | 890.2 | 784.7 | |
6 | 21 | 4 | 12 | -11.18 | 275.39 | -30.04 | 113.26 | 0.5366 | 930.0 | 752.7 | |
0 | 3 | 0 | 2 | -6.06 | 274.59 | -30.84 | 103.54 | 0.5265 | -340.0 | -241.9 |
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. |