| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 15 | 109 | 16 | 119 | -9.40 | 307.41 | -63.52 | 97.70 | 0.8922 | -833.6 | -275.7 | |
|
previous
or next observation for the same group /
back to the solar disc SOHO MDI 2000-01-28 03:00:32 UT ![]() |
| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 15 | 82 | 16 | 86 | -9.49 | 308.55 | -62.38 | 97.76 | 0.8839 | -867.0 | -413.8 | |
| 0 | 10 | 0 | 11 | -9.44 | 307.53 | -63.39 | 97.73 | 0.8920 | -393.0 | -172.0 | |
| 0 | 6 | 0 | 7 | -8.59 | 305.36 | -65.57 | 96.86 | 0.9085 | 461.0 | 410.0 | |
| 0 | 11 | 0 | 15 | -9.24 | 301.74 | -69.18 | 97.72 | 0.9327 | 100.0 | 120.1 | |
| 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. | |