group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
99 | 761 | 54 | 415 | -19.33 | 320.18 | 20.88 | 233.24 | 0.4192 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
21 | 94 | 12 | 54 | -21.15 | 326.16 | 26.86 | 236.21 | 0.5091 | |
5 | 90 | 3 | 51 | -20.49 | 324.62 | 25.32 | 236.03 | 0.4850 | |
0 | 4 | 0 | 2 | -21.20 | 324.75 | 25.44 | 234.86 | 0.4919 | |
1 | 5 | 1 | 3 | -19.54 | 324.41 | 25.11 | 237.60 | 0.4756 | |
3 | -2 | 2 | -2 | -20.66 | 324.42 | 25.12 | 235.54 | 0.4837 | |
0 | 8 | 0 | 4 | -19.35 | 324.15 | 24.85 | 237.72 | 0.4710 | |
7 | -2 | 4 | -2 | -20.19 | 324.07 | 24.77 | 236.07 | 0.4759 | |
4 | -2 | 2 | -2 | -20.87 | 324.14 | 24.84 | 234.90 | 0.4818 | |
0 | 9 | 0 | 5 | -19.56 | 323.83 | 24.53 | 237.02 | 0.4683 | |
0 | 7 | 0 | 4 | -19.85 | 323.61 | 24.31 | 236.27 | 0.4675 | |
0 | 12 | 0 | 6 | -19.30 | 323.47 | 24.17 | 237.20 | 0.4617 | |
0 | 8 | 0 | 5 | -18.41 | 322.81 | 23.51 | 238.30 | 0.4467 | |
0 | 4 | 0 | 2 | -20.67 | 323.07 | 23.77 | 234.21 | 0.4669 | |
4 | 30 | 2 | 17 | -18.77 | 321.67 | 22.37 | 236.44 | 0.4343 | |
4 | -14 | 2 | -14 | -19.02 | 321.36 | 22.05 | 235.60 | 0.4321 | |
0 | 11 | 0 | 6 | -18.16 | 320.89 | 21.59 | 236.85 | 0.4194 | |
0 | 4 | 0 | 2 | -17.77 | 320.76 | 21.45 | 237.53 | 0.4146 | |
0 | 11 | 0 | 6 | -18.68 | 320.70 | 21.40 | 235.56 | 0.4209 | |
0 | 4 | 0 | 2 | -19.56 | 320.60 | 21.30 | 233.66 | 0.4267 | |
0 | 4 | 0 | 2 | -19.89 | 319.99 | 20.69 | 232.26 | 0.4219 | |
0 | 9 | 0 | 5 | -18.36 | 319.75 | 20.45 | 235.13 | 0.4058 | |
0 | 12 | 0 | 7 | -17.54 | 319.39 | 20.09 | 236.48 | 0.3946 | |
0 | 4 | 0 | 2 | -17.94 | 319.27 | 19.96 | 235.45 | 0.3961 | |
0 | 4 | 0 | 2 | -18.42 | 319.15 | 19.85 | 234.28 | 0.3986 | |
0 | 4 | 0 | 2 | -18.07 | 318.98 | 19.68 | 234.82 | 0.3934 | |
0 | 6 | 0 | 3 | -17.84 | 318.66 | 19.35 | 234.91 | 0.3872 | |
3 | 30 | 1 | 16 | -18.95 | 318.57 | 19.27 | 232.40 | 0.3957 | |
0 | 4 | 0 | 2 | -18.52 | 318.48 | 19.17 | 233.20 | 0.3907 | |
0 | 3 | 0 | 2 | -20.22 | 318.60 | 19.30 | 229.83 | 0.4076 | |
8 | 380 | 4 | 203 | -18.74 | 317.69 | 18.39 | 231.65 | 0.3826 | |
5 | -30 | 3 | -30 | -19.29 | 317.71 | 18.41 | 230.50 | 0.3880 | |
3 | -30 | 2 | -30 | -18.23 | 317.42 | 18.12 | 232.38 | 0.3746 | |
2 | -30 | 1 | -30 | -19.65 | 317.41 | 18.11 | 229.30 | 0.3878 | |
21 | -30 | 11 | -30 | -18.76 | 316.93 | 17.62 | 230.50 | 0.3732 | |
8 | -30 | 4 | -30 | -18.69 | 316.37 | 17.06 | 229.79 | 0.3656 |
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 |