group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
68 | 466 | 77 | 546 | -18.23 | 330.07 | 60.40 | 245.76 | 0.9055 | 3.9 | -1.9 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
23 | 193 | 30 | 255 | -16.92 | 333.98 | 64.31 | 248.42 | 0.9288 | -550.7 | -116.6 | |
0 | 2 | 0 | 3 | -16.82 | 332.43 | 62.77 | 248.09 | 0.9191 | -626.0 | -562.9 | |
6 | 81 | 8 | 97 | -18.20 | 331.58 | 61.91 | 246.39 | 0.9164 | -250.4 | -409.5 | |
4 | -3 | 5 | -3 | -17.35 | 330.80 | 61.14 | 247.05 | 0.9096 | -558.3 | 999999 | |
3 | -3 | 3 | -3 | -17.93 | 331.06 | 61.40 | 246.52 | 0.9125 | -800.7 | 999999 | |
0 | 3 | 0 | 3 | -17.79 | 328.32 | 58.66 | 245.79 | 0.8935 | -410.0 | -357.8 | |
0 | 2 | 0 | 3 | -18.05 | 327.59 | 57.92 | 245.27 | 0.8889 | -347.0 | -358.8 | |
0 | 2 | 0 | 2 | -18.84 | 325.12 | 55.45 | 243.53 | 0.8728 | 625.0 | 523.3 | |
7 | 81 | 7 | 84 | -20.27 | 325.20 | 55.53 | 242.03 | 0.8777 | 580.5 | 143.3 | |
7 | -9 | 7 | -9 | -20.71 | 325.21 | 55.55 | 241.57 | 0.8791 | 417.5 | 999999 | |
1 | 11 | 1 | 11 | -19.16 | 323.33 | 53.67 | 242.49 | 0.8600 | 698.7 | 550.0 | |
17 | 91 | 16 | 88 | -20.18 | 323.12 | 53.46 | 241.31 | 0.8617 | 1030.6 | 603.7 |
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. |