group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
52 | 359 | 40 | 276 | -13.07 | 130.33 | 45.90 | 246.17 | 0.7669 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
39 | 346 | 30 | 266 | -12.84 | 130.70 | 46.27 | 246.62 | 0.7698 | |
-1 | -1 | -1 | -1 | -13.33 | 130.59 | 46.16 | 245.98 | 0.7706 | |
13 | -1 | 10 | -1 | -13.25 | 129.82 | 45.39 | 245.71 | 0.7625 | |
0 | 5 | 0 | 4 | -12.23 | 129.47 | 45.04 | 246.81 | 0.7546 | |
0 | 5 | 0 | 4 | -10.86 | 127.96 | 43.53 | 247.82 | 0.7328 | |
0 | 3 | 0 | 2 | -11.89 | 122.13 | 37.70 | 243.30 | 0.6721 |
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 |