| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 7.83 | 0.00 | 4.48 | -16.42 | 38.74 | 25.14 | 235.29 | 0.4979 | 196.7 | 276.6 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-12-07 14:00:25 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 | 1.28 | 0.00 | 0.76 | -19.47 | 41.36 | 27.76 | 232.71 | 0.5541 | 676.0 | 565.3 | |
| 0.00 | 1.53 | 0.00 | 0.91 | -19.32 | 41.15 | 27.55 | 232.76 | 0.5505 | 588.0 | 549.9 | |
| 0.00 | 1.96 | 0.00 | 1.12 | -15.62 | 38.81 | 25.21 | 236.61 | 0.4934 | 779.0 | 698.1 | |
| 0.00 | 0.85 | 0.00 | 0.48 | -15.74 | 38.32 | 24.72 | 235.90 | 0.4881 | 705.0 | 611.9 | |
| 0.00 | 1.02 | 0.00 | 0.56 | -13.21 | 35.64 | 22.04 | 237.85 | 0.4334 | -808.0 | -566.6 | |
| 0.00 | 1.19 | 0.00 | 0.65 | -13.42 | 35.17 | 21.57 | 236.89 | 0.4288 | -760.0 | -680.9 | |
| 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. | |