| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 15.61 | 112.12 | 45.60 | 327.98 | -13.00 | 175.05 | 81.21 | 257.91 | 0.9856 | 82.9 | 58.1 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-31 06:00:32 UT
See sunspots with tool (Click here to study sunspot positions and configurations with tool using white-light and magnetogram images and polarity drawing) (It is recommended to set high resolution on your display!) |
| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 6.49 | 26.76 | 19.98 | 85.37 | -11.95 | 175.64 | 81.80 | 258.91 | 0.9875 | -163.2 | -229.4 | |
| 0.00 | 10.70 | 0.00 | 29.00 | -11.99 | 174.45 | 80.62 | 258.97 | 0.9841 | 583.0 | 434.9 | |
| 9.12 | 74.66 | 25.62 | 213.61 | -13.55 | 174.90 | 81.06 | 257.36 | 0.9850 | 255.2 | 100.1 | |
| 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. | |