group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
33 | 142 | 20 | 84 | -8.07 | 48.97 | 32.84 | 262.51 | 0.5432 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
13 | 82 | 8 | 49 | -8.31 | 51.13 | 35.00 | 262.32 | 0.5749 | |
11 | -1 | 7 | -1 | -8.41 | 50.62 | 34.49 | 262.09 | 0.5678 | |
0 | 3 | 0 | 2 | -8.35 | 47.88 | 31.75 | 261.86 | 0.5281 | |
9 | 25 | 5 | 15 | -7.40 | 47.44 | 31.30 | 263.60 | 0.5206 | |
0 | 5 | 0 | 3 | -7.59 | 46.60 | 30.46 | 263.14 | 0.5082 | |
0 | 9 | 0 | 5 | -7.33 | 45.46 | 29.33 | 263.53 | 0.4910 | |
0 | 9 | 0 | 5 | -7.87 | 44.53 | 28.40 | 262.29 | 0.4774 | |
0 | 9 | 0 | 5 | -8.37 | 44.57 | 28.43 | 261.25 | 0.4786 |
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 |