SDO HMI 2011-12-05 01:58:56 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!)
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 9.12 | 0.00 | 29.14 | 18.72 | 193.14 | 80.74 | 288.88 | 0.9882 | 186.0 | 26.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-12-05 01:58:56 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 | 3.07 | 0.00 | 8.39 | 15.83 | 191.72 | 79.32 | 286.02 | 0.9845 | 395.0 | 52.1 | |
| 0.00 | 0.85 | 0.00 | 1.78 | 14.93 | 188.36 | 75.97 | 285.26 | 0.9728 | 323.0 | 281.9 | |
| 0.00 | 0.77 | 0.00 | 3.01 | 20.27 | 194.70 | 82.30 | 290.39 | 0.9923 | 183.0 | 208.3 | |
| 0.00 | 1.02 | 0.00 | 3.95 | 20.43 | 194.66 | 82.26 | 290.55 | 0.9923 | 324.0 | 291.5 | |
| 0.00 | 3.41 | 0.00 | 12.01 | 20.34 | 193.95 | 81.56 | 290.48 | 0.9908 | -295.0 | -163.3 | |
| 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. | |