group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
18 | 106 | 8 | 54 | 19.20 | 255.79 | 6.12 | 335.81 | 0.2479 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
0 | 3 | 0 | 2 | 18.59 | 259.29 | 9.62 | 323.45 | 0.2671 | |
0 | 1 | 0 | 0 | 18.47 | 258.79 | 9.12 | 324.59 | 0.2605 | |
1 | 18 | 0 | 9 | 18.36 | 258.31 | 8.64 | 325.74 | 0.2544 | |
1 | -3 | 0 | -3 | 18.07 | 258.14 | 8.46 | 325.60 | 0.2487 | |
0 | -3 | 0 | -3 | 17.87 | 258.02 | 8.36 | 325.46 | 0.2450 | |
3 | 8 | 1 | 4 | 18.79 | 257.93 | 8.26 | 327.88 | 0.2569 | |
1 | 12 | 1 | 6 | 18.65 | 257.32 | 7.65 | 329.50 | 0.2496 | |
1 | -7 | 1 | -7 | 18.52 | 256.94 | 7.26 | 330.49 | 0.2445 | |
0 | 1 | 0 | 1 | 17.99 | 256.04 | 6.37 | 332.50 | 0.2294 | |
0 | 1 | 0 | 0 | 18.60 | 255.20 | 5.55 | 336.68 | 0.2326 | |
0 | 1 | 0 | 1 | 20.41 | 254.91 | 5.26 | 340.57 | 0.2593 | |
4 | 58 | 2 | 30 | 19.51 | 254.54 | 4.87 | 340.68 | 0.2429 | |
0 | 1 | 0 | 0 | 20.31 | 254.47 | 4.81 | 341.98 | 0.2553 | |
1 | -12 | 1 | -12 | 19.53 | 254.27 | 4.60 | 341.69 | 0.2416 | |
3 | -12 | 1 | -12 | 20.06 | 254.26 | 4.59 | 342.45 | 0.2501 | |
3 | -12 | 1 | -12 | 19.79 | 254.19 | 4.51 | 342.37 | 0.2455 | |
0 | 1 | 0 | 0 | 20.48 | 254.30 | 4.65 | 342.77 | 0.2572 | |
0 | 1 | 0 | 1 | 20.67 | 254.19 | 4.53 | 343.41 | 0.2597 |
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 |