| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 3.48 | 9.85 | 5.72 | 17.14 | 7.31 | 3.20 | -72.71 | 81.17 | 0.9591 | -227.0 | -127.5 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-01-09 15:00:24 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 |
| 3.48 | 7.90 | 5.72 | 13.00 | 6.96 | 4.15 | -71.76 | 81.42 | 0.9548 | -359.2 | -231.7 | |
| 0.00 | 0.76 | 0.00 | 1.29 | 6.99 | 3.65 | -72.26 | 81.44 | 0.9574 | 348.0 | 260.1 | |
| 0.00 | 1.19 | 0.00 | 2.85 | 9.04 | 358.65 | -77.27 | 79.89 | 0.9794 | -46.0 | -37.4 | |
| 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. | |