| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 6.80 | 0.00 | 4.17 | -13.87 | 290.92 | 28.11 | 233.03 | 0.5832 | 630.9 | 465.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-09-25 02:00:34 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 |
| 0.00 | 1.59 | 0.00 | 1.03 | -8.17 | 300.17 | 37.37 | 248.50 | 0.6480 | 608.0 | 364.1 | |
| 0.00 | 0.97 | 0.00 | 0.59 | -11.05 | 293.13 | 30.32 | 239.39 | 0.5779 | 634.0 | 513.8 | |
| 0.00 | 1.06 | 0.00 | 0.64 | -16.91 | 288.13 | 25.33 | 226.10 | 0.5702 | 572.0 | 402.4 | |
| 0.00 | 0.71 | 0.00 | 0.42 | -15.21 | 287.49 | 24.68 | 227.67 | 0.5472 | 552.0 | 449.0 | |
| 0.00 | 0.97 | 0.00 | 0.55 | -7.64 | 286.77 | 23.96 | 238.98 | 0.4716 | 711.0 | 511.7 | |
| 0.00 | 0.62 | 0.00 | 0.39 | -21.45 | 287.42 | 24.62 | 219.77 | 0.6083 | 629.0 | 519.1 | |
| 0.00 | 0.88 | 0.00 | 0.55 | -23.88 | 283.71 | 20.90 | 212.83 | 0.6040 | 710.0 | 602.8 | |
| 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. | |