group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
56 | 373 | 29 | 200 | -20.39 | 306.77 | 5.87 | 194.78 | 0.3813 | -1989.7 | -693.2 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
40 | 343 | 21 | 184 | -20.24 | 307.31 | 6.41 | 196.05 | 0.3805 | -2134.8 | -731.5 | |
16 | -1 | 8 | -1 | -20.11 | 306.69 | 5.79 | 194.66 | 0.3759 | -1852.6 | 999999 | |
0 | 6 | 0 | 3 | -19.78 | 305.90 | 5.00 | 192.94 | 0.3676 | -763.0 | -587.4 | |
0 | 4 | 0 | 2 | -20.15 | 305.63 | 4.72 | 192.03 | 0.3725 | -354.0 | -352.2 | |
0 | 5 | 0 | 3 | -16.65 | 303.01 | 2.11 | 186.58 | 0.3086 | -615.0 | -500.0 | |
0 | 6 | 0 | 3 | -27.73 | 301.49 | 0.59 | 181.08 | 0.4846 | -873.0 | -540.9 | |
0 | 3 | 0 | 2 | -26.08 | 300.46 | -0.44 | 179.13 | 0.4590 | -285.0 | -269.1 | |
0 | 6 | 0 | 3 | -25.35 | 298.98 | -1.92 | 176.11 | 0.4486 | 707.0 | 692.3 |
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. |