group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
3 | 37 | 2 | 19 | -12.44 | 156.03 | 10.74 | 223.36 | 0.2658 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
0 | 7 | 0 | 3 | -12.63 | 159.20 | 13.91 | 230.55 | 0.3052 | |
0 | 3 | 0 | 2 | -12.80 | 158.75 | 13.46 | 229.22 | 0.3011 | |
0 | 6 | 0 | 3 | -10.52 | 157.89 | 12.61 | 233.89 | 0.2668 | |
3 | 9 | 2 | 5 | -13.06 | 154.67 | 9.38 | 218.45 | 0.2564 | |
0 | 12 | 0 | 6 | -12.66 | 153.75 | 8.46 | 216.64 | 0.2417 |
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 |