| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 6.14 | 16.35 | 4.12 | 11.13 | -18.53 | 79.90 | 39.95 | 242.67 | 0.6876 | -19.0 | 203.7 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-12-10 13:58:55 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 |
| 0.60 | 3.58 | 0.41 | 2.49 | -17.94 | 81.65 | 41.70 | 244.30 | 0.7047 | 833.1 | 606.4 | |
| 0.00 | 2.30 | 0.00 | 1.59 | -18.04 | 81.22 | 41.27 | 243.98 | 0.7002 | 249.0 | 307.9 | |
| 0.00 | 1.02 | 0.00 | 0.70 | -18.50 | 80.85 | 40.90 | 243.19 | 0.6981 | 677.0 | 574.7 | |
| 0.51 | 1.36 | 0.34 | 0.92 | -17.79 | 79.63 | 39.68 | 243.59 | 0.6812 | 716.0 | 597.0 | |
| 0.00 | 1.36 | 0.00 | 0.92 | -18.97 | 78.91 | 38.96 | 241.60 | 0.6783 | -621.0 | -459.2 | |
| 5.03 | 6.73 | 3.37 | 4.51 | -19.10 | 78.58 | 38.63 | 241.26 | 0.6752 | -775.3 | -570.3 | |
| 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. | |