| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 7.76 | 0.00 | 4.94 | -17.48 | 241.92 | 30.53 | 231.00 | 0.6265 | -258.4 | -156.5 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-08-10 10:59:10 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 | 1.54 | 0.00 | 1.01 | -14.53 | 246.72 | 35.34 | 238.95 | 0.6558 | 749.0 | 628.7 | |
| 0.00 | 0.81 | 0.00 | 0.53 | -14.66 | 245.71 | 34.32 | 238.05 | 0.6452 | 557.0 | 495.1 | |
| 0.00 | 1.35 | 0.00 | 0.86 | -18.01 | 241.46 | 30.07 | 230.09 | 0.6234 | -579.0 | -463.9 | |
| 0.00 | 0.45 | 0.00 | 0.28 | -18.06 | 241.24 | 29.86 | 229.83 | 0.6217 | -748.0 | -642.6 | |
| 0.00 | 1.26 | 0.00 | 0.80 | -17.79 | 241.16 | 29.77 | 230.10 | 0.6185 | -547.0 | -375.7 | |
| 0.00 | 0.90 | 0.00 | 0.58 | -19.88 | 240.86 | 29.47 | 227.18 | 0.6331 | -657.0 | -564.1 | |
| 0.00 | 1.45 | 0.00 | 0.88 | -20.00 | 236.19 | 24.80 | 222.21 | 0.5889 | -584.0 | -519.2 | |
| 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. | |