| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 13.14 | 0.00 | 6.69 | 8.53 | 196.50 | 6.82 | 329.02 | 0.2279 | -179.4 | -194.5 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-05-17 12:00:38 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 |
| 0.00 | 1.71 | 0.00 | 0.87 | 7.16 | 199.13 | 9.46 | 315.42 | 0.2334 | -1001.0 | -874.8 | |
| 0.00 | 0.54 | 0.00 | 0.28 | 8.92 | 198.71 | 9.04 | 321.58 | 0.2509 | -761.0 | -497.2 | |
| 0.00 | 2.16 | 0.00 | 1.10 | 8.70 | 198.46 | 8.78 | 321.82 | 0.2453 | -958.0 | -770.5 | |
| 0.00 | 1.35 | 0.00 | 0.69 | 8.98 | 198.18 | 8.51 | 323.39 | 0.2462 | -763.0 | -563.4 | |
| 0.00 | 2.88 | 0.00 | 1.47 | 8.45 | 197.74 | 8.07 | 323.53 | 0.2345 | -764.0 | -660.4 | |
| 0.00 | 1.71 | 0.00 | 0.87 | 9.02 | 193.74 | 4.07 | 340.51 | 0.2109 | 919.0 | 797.9 | |
| 0.00 | 1.53 | 0.00 | 0.77 | 8.47 | 193.61 | 3.94 | 340.18 | 0.2011 | 994.0 | 855.4 | |
| 0.00 | 1.26 | 0.00 | 0.64 | 9.05 | 191.13 | 1.45 | 352.80 | 0.2010 | 899.0 | 712.4 | |
| 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. | |