| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 4 | 52 | 11 | 154 | 5.20 | 68.05 | 79.64 | 276.30 | 0.9864 | -117.8 | -89.6 | |
|
previous
or next observation for the same group /
back to the solar disc SOHO MDI 2000-01-29 20:00:32 UT ![]() |
| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0 | 6 | 0 | 19 | 2.76 | 69.57 | 81.15 | 273.67 | 0.9897 | -58.0 | -25.2 | |
| 0 | 2 | 0 | 8 | 4.66 | 69.62 | 81.20 | 275.58 | 0.9903 | 128.0 | 145.4 | |
| 0 | 12 | 0 | 36 | 4.07 | 68.37 | 79.95 | 275.13 | 0.9869 | -365.0 | -189.8 | |
| 4 | 32 | 11 | 91 | 6.20 | 67.47 | 79.06 | 277.38 | 0.9851 | -118.9 | -84.1 | |
| 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. |
||
| 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. |
||
| 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. | |