group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 60 | 0 | 33 | 20.64 | 348.91 | 9.98 | 330.02 | 0.3260 | -145.1 | -53.7 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 9 | 0 | 5 | 20.79 | 355.21 | 16.27 | 317.12 | 0.3867 | 1138.0 | 890.5 | |
0 | 10 | 0 | 5 | 21.32 | 350.40 | 11.47 | 327.38 | 0.3452 | -1041.0 | -921.9 | |
0 | 5 | 0 | 3 | 15.39 | 348.83 | 9.90 | 318.69 | 0.2522 | 410.0 | 210.6 | |
0 | 12 | 0 | 7 | 21.27 | 348.05 | 9.11 | 332.88 | 0.3252 | 911.0 | 780.6 | |
0 | 4 | 0 | 2 | 19.92 | 346.81 | 7.87 | 334.11 | 0.2962 | -558.0 | -435.7 | |
0 | 3 | 0 | 2 | 20.97 | 346.65 | 7.72 | 336.08 | 0.3107 | -748.0 | -625.5 | |
0 | 4 | 0 | 2 | 21.41 | 346.63 | 7.70 | 336.74 | 0.3173 | -585.0 | -515.7 | |
0 | 13 | 0 | 7 | 21.58 | 346.14 | 7.21 | 338.28 | 0.3167 | -688.0 | -651.1 |
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. |