| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 24.24 | 152.56 | 33.28 | 209.65 | -21.16 | 15.82 | 64.70 | 244.72 | 0.9340 | 535.5 | 112.4 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-10-18 17:00:30 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 |
| 13.60 | 150.73 | 18.86 | 207.60 | -21.25 | 16.08 | 64.96 | 244.70 | 0.9356 | 324.9 | 118.1 | |
| 10.64 | -1.00 | 14.42 | -1.00 | -20.97 | 15.63 | 64.51 | 244.86 | 0.9326 | 944.4 | 999999 | |
| 0.00 | 0.96 | 0.00 | 1.08 | -24.21 | 9.13 | 58.01 | 239.52 | 0.8995 | -284.0 | -253.2 | |
| 0.00 | 0.87 | 0.00 | 0.97 | -24.38 | 8.76 | 57.64 | 239.21 | 0.8974 | -567.0 | -504.5 | |
| 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. | |