| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 38.46 | 197.28 | 36.51 | 187.34 | 8.27 | 343.39 | -59.09 | 84.43 | 0.8551 | -738.2 | -245.9 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-08-18 06:00:38 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 |
| 1.53 | 191.07 | 1.43 | 181.22 | 8.08 | 344.07 | -58.41 | 84.69 | 0.8491 | -983.0 | -260.6 | |
| 32.97 | -1.00 | 31.28 | -1.00 | 8.32 | 343.41 | -59.07 | 84.37 | 0.8549 | -887.5 | 999999 | |
| 3.33 | -1.00 | 3.16 | -1.00 | 7.77 | 343.42 | -59.06 | 85.02 | 0.8551 | -620.2 | 999999 | |
| 0.00 | 3.42 | 0.00 | 3.29 | 7.18 | 343.01 | -59.47 | 85.68 | 0.8591 | 125.0 | 42.0 | |
| 0.00 | 0.45 | 0.00 | 0.45 | 9.82 | 341.25 | -61.23 | 82.52 | 0.8730 | 394.0 | 313.2 | |
| 0.36 | 2.34 | 0.37 | 2.38 | 9.95 | 341.02 | -61.46 | 82.36 | 0.8750 | 269.5 | 292.2 | |
| 0.27 | -6.00 | 0.27 | -6.00 | 10.01 | 341.00 | -61.48 | 82.29 | 0.8751 | 263.7 | 999999 | |
| 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. | |