group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
61 | 404 | 74 | 505 | -18.17 | 330.23 | 62.33 | 246.42 | 0.9176 | -46.7 | -4.3 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
25 | 175 | 35 | 249 | -16.92 | 333.99 | 66.09 | 248.89 | 0.9390 | -490.9 | -96.3 | |
0 | 3 | 0 | 5 | -16.83 | 332.15 | 64.25 | 248.50 | 0.9283 | -233.0 | -341.1 | |
2 | 64 | 3 | 82 | -18.33 | 331.62 | 63.72 | 246.79 | 0.9278 | -266.6 | -405.0 | |
3 | -3 | 4 | -3 | -17.97 | 331.11 | 63.21 | 247.01 | 0.9240 | -717.1 | 999999 | |
3 | -3 | 3 | -3 | -17.42 | 330.76 | 62.86 | 247.48 | 0.9208 | -590.4 | 999999 | |
0 | 5 | 0 | 5 | -18.67 | 326.48 | 58.58 | 244.83 | 0.8951 | 50.0 | 97.7 | |
14 | 69 | 15 | 75 | -20.50 | 325.16 | 57.26 | 242.43 | 0.8907 | 397.6 | 66.7 | |
0 | 10 | 0 | 10 | -19.87 | 323.74 | 55.84 | 242.57 | 0.8787 | 562.0 | 470.8 | |
0 | 8 | 0 | 8 | -19.18 | 323.30 | 55.40 | 243.15 | 0.8734 | 587.0 | 462.5 | |
14 | 70 | 14 | 71 | -20.11 | 323.12 | 55.22 | 242.09 | 0.8748 | 926.4 | 603.2 |
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 | |
MU | - Mean magnetic field within the umbra contour averaged the pixel values with sign. | |
MP | - Mean magnetic field within the penumbra contour averaged the pixel values with sign. |