group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
41 | 157 | 23 | 83 | -8.81 | 319.02 | -19.82 | 120.63 | 0.3909 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
6 | 12 | 3 | 6 | -9.31 | 320.93 | -17.91 | 124.18 | 0.3685 | |
0 | 7 | 0 | 3 | -8.65 | 320.68 | -18.17 | 122.27 | 0.3662 | |
22 | 91 | 12 | 49 | -9.05 | 320.12 | -18.72 | 122.43 | 0.3772 | |
0 | 5 | 0 | 2 | -8.53 | 318.37 | -20.48 | 119.03 | 0.3974 | |
10 | 36 | 6 | 20 | -8.41 | 316.11 | -22.74 | 116.34 | 0.4285 | |
3 | -5 | 2 | -5 | -7.95 | 315.88 | -22.96 | 115.13 | 0.4286 | |
0 | 6 | 0 | 3 | -7.56 | 315.74 | -23.11 | 114.16 | 0.4282 |
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 |