group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
10 | 77 | 5 | 40 | -13.25 | 156.99 | -13.89 | 131.03 | 0.3100 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
4 | 21 | 2 | 11 | -13.45 | 160.19 | -10.70 | 138.33 | 0.2728 | |
0 | 3 | 0 | 2 | -13.04 | 159.63 | -11.26 | 135.86 | 0.2743 | |
0 | 3 | 0 | 1 | -12.83 | 158.35 | -12.53 | 132.31 | 0.2873 | |
0 | 4 | 0 | 2 | -14.73 | 157.70 | -13.18 | 135.57 | 0.3164 | |
0 | 4 | 0 | 2 | -13.06 | 156.84 | -14.04 | 129.76 | 0.3088 | |
3 | 13 | 1 | 7 | -13.02 | 156.30 | -14.58 | 128.62 | 0.3154 | |
0 | 4 | 0 | 2 | -12.90 | 155.80 | -15.08 | 127.41 | 0.3206 | |
0 | 5 | 0 | 2 | -11.93 | 155.78 | -15.10 | 124.83 | 0.3120 | |
3 | 10 | 2 | 5 | -13.04 | 154.24 | -16.65 | 125.17 | 0.3429 | |
0 | 5 | 0 | 3 | -13.40 | 153.87 | -17.01 | 125.48 | 0.3510 | |
0 | 5 | 0 | 3 | -13.76 | 153.59 | -17.29 | 125.91 | 0.3580 |
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 |