group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
9 | 58 | 7 | 47 | 7.53 | 105.00 | -51.55 | 79.15 | 0.7925 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
7 | 16 | 5 | 12 | 6.86 | 106.87 | -49.68 | 79.67 | 0.7717 | |
0 | 4 | 0 | 3 | 7.35 | 106.37 | -50.18 | 79.14 | 0.7780 | |
0 | 4 | 0 | 3 | 7.00 | 106.30 | -50.26 | 79.60 | 0.7782 | |
0 | 12 | 0 | 10 | 7.67 | 104.66 | -51.89 | 79.04 | 0.7966 | |
0 | 4 | 0 | 4 | 7.33 | 103.86 | -52.69 | 79.59 | 0.8043 | |
2 | 18 | 2 | 15 | 8.18 | 103.51 | -53.04 | 78.61 | 0.8090 |
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 |