group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
38 | 280 | 57 | 444 | -17.99 | 330.75 | 68.13 | 248.22 | 0.9499 | -158.3 | 3.8 |
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back to the solar disc SOHO MDI 2000-09-10 07:59:31 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
15 | 139 | 27 | 254 | -16.90 | 333.77 | 71.15 | 250.12 | 0.9641 | -444.9 | -46.5 | |
7 | 45 | 11 | 73 | -18.21 | 331.05 | 68.43 | 248.16 | 0.9531 | -558.0 | -267.7 | |
0 | 6 | 0 | 8 | -19.82 | 325.94 | 63.32 | 245.13 | 0.9282 | -191.0 | -177.3 | |
0 | 2 | 0 | 3 | -18.98 | 324.99 | 62.37 | 245.72 | 0.9208 | 406.0 | 370.9 | |
4 | 31 | 5 | 40 | -20.40 | 325.07 | 62.45 | 244.26 | 0.9242 | 289.0 | -16.6 | |
4 | -5 | 5 | -5 | -20.76 | 325.15 | 62.53 | 243.92 | 0.9253 | 72.8 | 999999 | |
0 | 2 | 0 | 2 | -19.86 | 323.72 | 61.10 | 244.41 | 0.9147 | 356.0 | 400.7 | |
0 | 4 | 0 | 4 | -19.20 | 323.21 | 60.59 | 244.93 | 0.9100 | 421.0 | 399.2 | |
8 | 51 | 9 | 60 | -20.17 | 323.06 | 60.44 | 243.87 | 0.9112 | 777.0 | 526.9 |
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. |