| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 28 | 216 | 40 | 315 | 13.13 | 356.87 | -71.33 | 78.53 | 0.9408 | 323.2 | 80.2 | |
|
previous
or next observation for the same group /
back to the solar disc SOHO MDI 2000-08-28 19:11:31 UT ![]() |
| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 17 | 149 | 22 | 192 | 13.71 | 359.90 | -68.30 | 78.09 | 0.9242 | 715.8 | 223.8 | |
| 3 | -1 | 4 | -1 | 13.63 | 358.58 | -69.63 | 78.12 | 0.9326 | 161.8 | 999999 | |
| 3 | 15 | 4 | 23 | 12.35 | 356.20 | -72.01 | 79.36 | 0.9468 | 331.4 | 183.8 | |
| 0 | 7 | 0 | 11 | 12.69 | 353.97 | -74.24 | 78.86 | 0.9582 | -509.0 | -499.1 | |
| 0 | 3 | 0 | 5 | 13.21 | 351.89 | -76.32 | 78.18 | 0.9676 | -273.0 | -261.5 | |
| 5 | 31 | 10 | 58 | 11.95 | 352.19 | -76.02 | 79.50 | 0.9667 | -446.0 | -311.0 | |
| 0 | 11 | 0 | 26 | 12.41 | 349.27 | -78.94 | 78.80 | 0.9781 | 90.0 | 111.6 | |
| 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. | |