| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 17.43 | 0.00 | 9.62 | 18.07 | 178.71 | -5.47 | 11.77 | 0.4411 | -387.1 | -275.2 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-03-02 01:58:59 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 | 1.21 | 0.00 | 0.68 | 21.08 | 186.11 | 1.93 | 356.21 | 0.4773 | -610.0 | -525.4 | |
| 0.00 | 1.29 | 0.00 | 0.70 | 16.28 | 184.84 | 0.67 | 358.39 | 0.4010 | -775.0 | -616.2 | |
| 0.00 | 2.33 | 0.00 | 1.26 | 16.01 | 180.24 | -3.94 | 9.50 | 0.4016 | 859.0 | 796.1 | |
| 0.00 | 2.50 | 0.00 | 1.35 | 16.24 | 179.92 | -4.25 | 10.14 | 0.4061 | 618.0 | 526.2 | |
| 0.00 | 3.71 | 0.00 | 2.05 | 18.46 | 177.76 | -6.41 | 13.75 | 0.4475 | -667.0 | -675.0 | |
| 0.00 | 1.47 | 0.00 | 0.82 | 19.22 | 177.32 | -6.85 | 14.22 | 0.4607 | -772.0 | -664.6 | |
| 0.00 | 2.33 | 0.00 | 1.31 | 19.39 | 175.31 | -8.86 | 18.02 | 0.4718 | -801.0 | -625.2 | |
| 0.00 | 1.64 | 0.00 | 0.92 | 19.09 | 175.33 | -8.85 | 18.20 | 0.4674 | -629.0 | -593.2 | |
| 0.00 | 0.95 | 0.00 | 0.53 | 17.89 | 174.44 | -9.73 | 20.83 | 0.4544 | -707.0 | -538.2 | |
| 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. | |