group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
33 | 100 | 31 | 99 | -6.90 | 53.85 | 58.83 | 258.34 | 0.8691 | -89.9 | -66.5 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 2 | 0 | 2 | -7.44 | 55.55 | 60.53 | 258.10 | 0.8841 | -257.0 | -325.4 | |
14 | 48 | 14 | 49 | -7.79 | 54.99 | 59.96 | 257.59 | 0.8802 | -742.8 | -575.9 | |
4 | -2 | 4 | -2 | -8.14 | 54.83 | 59.81 | 257.16 | 0.8795 | -663.7 | 999999 | |
11 | 50 | 10 | 48 | -5.84 | 52.74 | 57.71 | 259.29 | 0.8579 | 792.4 | 409.1 | |
4 | -4 | 3 | -4 | -6.05 | 52.40 | 57.37 | 258.97 | 0.8553 | 836.6 | 999999 |
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. |