SDO HMI 2011-08-12 12:59:10 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!)
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 5.05 | 22.26 | 3.99 | 17.30 | 23.43 | 134.49 | -49.35 | 64.76 | 0.7711 | 87.0 | -86.3 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-08-12 12:59:10 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 | 0.99 | 0.00 | 0.73 | 23.68 | 137.22 | -46.62 | 63.77 | 0.7444 | -590.0 | -504.8 | |
| 1.71 | 7.04 | 1.27 | 5.20 | 23.38 | 137.16 | -46.68 | 64.17 | 0.7442 | -770.4 | -562.8 | |
| 0.00 | 1.35 | 0.00 | 1.00 | 23.15 | 137.12 | -46.72 | 64.48 | 0.7440 | -619.0 | -547.4 | |
| 0.00 | 0.99 | 0.00 | 0.73 | 23.02 | 137.09 | -46.76 | 64.67 | 0.7441 | -497.0 | -428.9 | |
| 0.00 | 1.08 | 0.00 | 0.85 | 23.41 | 133.95 | -49.90 | 64.95 | 0.7770 | -481.0 | -394.1 | |
| 0.00 | 1.44 | 0.00 | 1.15 | 22.83 | 133.16 | -50.69 | 65.86 | 0.7837 | 705.0 | 557.8 | |
| 0.00 | 1.44 | 0.00 | 1.18 | 24.14 | 132.18 | -51.66 | 64.43 | 0.7957 | 573.0 | 447.2 | |
| 0.00 | 0.90 | 0.00 | 0.72 | 22.82 | 132.64 | -51.21 | 65.98 | 0.7887 | 525.0 | 418.1 | |
| 3.34 | 4.24 | 2.72 | 3.46 | 23.74 | 132.03 | -51.81 | 64.96 | 0.7963 | 628.4 | 593.4 | |
| 0.00 | 1.17 | 0.00 | 0.95 | 22.85 | 132.25 | -51.59 | 66.02 | 0.7926 | 462.0 | 377.3 | |
| 0.00 | 1.62 | 0.00 | 1.33 | 23.71 | 131.67 | -52.17 | 65.07 | 0.7997 | 321.0 | 278.6 | |
| 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. | |