| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 55.05 | 307.05 | 38.17 | 212.63 | 31.22 | 185.69 | 28.53 | 324.24 | 0.7014 | -900.3 | -281.3 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-01-08 10:58:55 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 | 0.93 | 0.00 | 0.70 | 35.20 | 188.29 | 31.13 | 325.81 | 0.7541 | 655.0 | 558.3 | |
| 53.78 | 301.97 | 37.29 | 209.27 | 31.24 | 185.77 | 28.61 | 324.19 | 0.7022 | -1061.5 | -295.0 | |
| 1.27 | -2.00 | 0.88 | -2.00 | 31.03 | 185.04 | 27.88 | 324.65 | 0.6950 | -1074.7 | 999999 | |
| 0.00 | 0.42 | 0.00 | 0.28 | 28.60 | 184.20 | 27.04 | 323.01 | 0.6657 | -590.0 | -494.4 | |
| 0.00 | 0.76 | 0.00 | 0.49 | 29.13 | 180.83 | 23.67 | 326.96 | 0.6455 | 397.0 | 353.3 | |
| 0.00 | 2.12 | 0.00 | 1.37 | 29.25 | 180.20 | 23.04 | 327.75 | 0.6422 | 707.0 | 559.5 | |
| 0.00 | 0.85 | 0.00 | 0.52 | 26.36 | 178.07 | 20.91 | 327.34 | 0.5948 | 494.0 | 398.5 | |
| 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. | |