group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
9 | 61 | 5 | 31 | -6.36 | 306.09 | 6.82 | 217.31 | 0.1954 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
0 | 5 | 0 | 3 | -5.94 | 311.25 | 11.98 | 235.22 | 0.2525 | |
2 | 7 | 1 | 4 | -5.60 | 307.35 | 8.08 | 225.38 | 0.1974 | |
0 | 3 | 0 | 2 | -5.63 | 306.84 | 7.57 | 223.39 | 0.1917 | |
0 | 12 | 0 | 6 | -4.97 | 305.98 | 6.70 | 222.43 | 0.1732 | |
7 | 17 | 4 | 8 | -7.58 | 305.58 | 6.31 | 212.30 | 0.2048 | |
0 | 5 | 0 | 2 | -7.38 | 305.27 | 5.99 | 211.50 | 0.1991 | |
0 | 4 | 0 | 2 | -7.18 | 304.95 | 5.68 | 210.66 | 0.1934 | |
0 | 4 | 0 | 2 | -6.24 | 303.42 | 4.15 | 205.70 | 0.1666 | |
0 | 4 | 0 | 2 | -6.74 | 302.07 | 2.79 | 197.01 | 0.1662 |
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 |