SDO HMI 2011-11-30 22:58:56 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 | 6.75 | 0.00 | 3.50 | 15.90 | 159.09 | -7.67 | 26.63 | 0.2907 | -811.0 | -622.5 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-11-30 22:58:56 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 | 2.31 | 0.00 | 1.20 | 17.08 | 160.39 | -6.37 | 20.89 | 0.2987 | -842.0 | -532.3 | |
| 0.00 | 1.37 | 0.00 | 0.71 | 16.77 | 159.60 | -7.16 | 23.65 | 0.2990 | -783.0 | -679.1 | |
| 0.00 | 2.22 | 0.00 | 1.14 | 13.63 | 158.51 | -8.25 | 32.44 | 0.2613 | -847.0 | -713.0 | |
| 0.00 | 0.85 | 0.00 | 0.45 | 17.16 | 156.26 | -10.50 | 31.93 | 0.3306 | -772.0 | -543.8 | |
| 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. | |