group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 46 | 0 | 85 | 16.76 | 308.30 | 75.32 | 286.10 | 0.9629 | 67.8 | 152.0 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 9 | 0 | 19 | 14.87 | 310.77 | 77.79 | 284.16 | 0.9752 | 167.0 | 78.3 | |
0 | 4 | 0 | 13 | 17.34 | 314.83 | 81.85 | 286.81 | 0.9878 | -270.0 | -169.5 | |
0 | 9 | 0 | 17 | 17.33 | 308.87 | 75.89 | 286.66 | 0.9675 | 214.0 | 253.1 | |
0 | 16 | 0 | 25 | 17.63 | 305.77 | 72.78 | 286.96 | 0.9531 | 602.0 | 478.0 | |
0 | 8 | 0 | 11 | 16.46 | 301.22 | 68.24 | 285.80 | 0.9273 | -374.0 | -238.0 |
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. |