group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
9 | 37 | 8 | 35 | -19.87 | 280.27 | 58.47 | 250.58 | 0.8519 | 669.3 | 466.0 |
previous
or next observation for the same group /
back to the solar disc SOHO MDI 2000-04-03 01:35:33 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 6 | 0 | 6 | -20.68 | 281.81 | 60.01 | 249.79 | 0.8655 | 502.0 | 369.0 | |
5 | 31 | 5 | 29 | -19.58 | 280.00 | 58.19 | 250.90 | 0.8494 | 740.7 | 486.1 | |
4 | -2 | 3 | -2 | -19.92 | 279.88 | 58.08 | 250.49 | 0.8487 | 561.5 | 999999 |
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. |