| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 16.93 | 79.48 | 62.64 | 299.26 | -13.01 | 175.02 | 83.37 | 257.71 | 0.9910 | 47.8 | 4.6 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-31 10:00:32 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 |
| 5.44 | 26.67 | 22.28 | 107.36 | -11.93 | 175.76 | 84.11 | 258.73 | 0.9929 | -300.1 | -108.2 | |
| 3.51 | -1.00 | 12.14 | -1.00 | -11.99 | 174.46 | 82.82 | 258.79 | 0.9900 | 403.8 | 999999 | |
| 0.00 | 0.70 | 0.00 | 2.27 | -12.85 | 173.98 | 82.33 | 257.97 | 0.9887 | 418.0 | 432.8 | |
| 5.79 | 51.06 | 21.12 | 187.01 | -13.58 | 175.15 | 83.50 | 257.13 | 0.9913 | 52.5 | 48.9 | |
| 2.19 | -4.00 | 7.10 | -4.00 | -13.78 | 174.23 | 82.58 | 257.01 | 0.9891 | 464.2 | 999999 | |
| 0.00 | 1.05 | 0.00 | 2.62 | -12.20 | 171.24 | 79.59 | 258.84 | 0.9808 | 50.0 | 89.1 | |
| 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. | |