SDO HMI 2011-08-26 09:59:08 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 | 16.26 | 0.00 | 8.26 | 18.98 | 358.44 | -2.03 | 334.95 | 0.2201 | -341.9 | -436.5 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-08-26 09:59:08 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 | 2.42 | 0.00 | 1.23 | 18.64 | 2.30 | 1.83 | 351.41 | 0.2040 | -750.0 | -567.9 | |
| 0.00 | 1.17 | 0.00 | 0.59 | 17.68 | 1.55 | 1.09 | 354.38 | 0.1861 | -948.0 | -751.9 | |
| 0.00 | 3.23 | 0.00 | 1.63 | 17.84 | 0.38 | -0.08 | 0.43 | 0.1879 | -875.0 | -855.0 | |
| 0.00 | 0.99 | 0.00 | 0.50 | 19.76 | 0.18 | -0.28 | 1.19 | 0.2209 | -1037.0 | -768.9 | |
| 0.00 | 3.50 | 0.00 | 1.78 | 19.54 | 359.99 | -0.47 | 2.05 | 0.2172 | -1042.0 | -783.0 | |
| 0.00 | 1.35 | 0.00 | 0.68 | 19.29 | 359.03 | -1.43 | 6.36 | 0.2142 | -866.0 | -709.1 | |
| 0.00 | 1.35 | 0.00 | 0.69 | 20.74 | 353.62 | -6.84 | 25.14 | 0.2633 | 842.0 | 636.6 | |
| 0.00 | 0.81 | 0.00 | 0.42 | 19.77 | 351.65 | -8.81 | 33.07 | 0.2654 | 750.0 | 671.0 | |
| 0.00 | 1.44 | 0.00 | 0.74 | 18.82 | 348.12 | -12.34 | 44.40 | 0.2905 | 849.0 | 633.8 | |
| 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. | |