group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
28 | 142 | 16 | 76 | -11.65 | 150.15 | 18.98 | 240.21 | 0.3674 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
7 | 26 | 4 | 14 | -11.30 | 152.63 | 21.46 | 244.23 | 0.4001 | |
14 | 52 | 8 | 28 | -11.86 | 152.24 | 21.07 | 242.54 | 0.3983 | |
0 | 10 | 0 | 5 | -11.26 | 151.98 | 20.81 | 243.66 | 0.3905 | |
0 | 3 | 0 | 2 | -10.99 | 151.61 | 20.45 | 243.94 | 0.3834 | |
0 | 4 | 0 | 2 | -11.46 | 147.36 | 16.19 | 237.33 | 0.3261 | |
0 | 4 | 0 | 2 | -11.66 | 147.12 | 15.95 | 236.42 | 0.3245 | |
0 | 5 | 0 | 3 | -12.75 | 146.85 | 15.68 | 233.19 | 0.3307 | |
7 | 29 | 4 | 15 | -11.95 | 146.42 | 15.25 | 234.51 | 0.3175 | |
0 | 4 | 0 | 2 | -10.27 | 144.72 | 13.55 | 236.16 | 0.2788 | |
0 | 5 | 0 | 3 | -10.75 | 144.45 | 13.28 | 234.19 | 0.2795 |
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 |