| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 11.45 | 23.52 | 6.44 | 13.18 | -2.61 | 315.13 | -27.66 | 83.97 | 0.4683 | 173.7 | 463.2 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-04-08 16:00:33 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 | 2.03 | 0.00 | 1.12 | -1.63 | 316.47 | -26.32 | 81.45 | 0.4501 | 920.0 | 722.7 | |
| 3.79 | 12.07 | 2.11 | 6.72 | -2.21 | 315.89 | -26.91 | 82.92 | 0.4576 | 960.0 | 742.9 | |
| 1.50 | -2.00 | 0.83 | -2.00 | -2.44 | 315.82 | -26.98 | 83.46 | 0.4581 | 954.8 | 999999 | |
| 0.35 | 1.41 | 0.20 | 0.79 | -2.34 | 315.55 | -27.25 | 83.32 | 0.4625 | 741.0 | 610.6 | |
| 5.81 | 8.01 | 3.30 | 4.55 | -3.39 | 313.64 | -29.15 | 86.04 | 0.4895 | -958.0 | -685.4 | |
| 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. | |