| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 24.87 | 53.31 | 19.30 | 41.81 | -13.50 | 207.24 | -50.31 | 105.06 | 0.7768 | 358.8 | -180.5 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2010-12-31 19:58:55 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 |
| 20.29 | 34.64 | 15.47 | 26.45 | -13.34 | 208.57 | -48.98 | 105.07 | 0.7626 | 679.7 | -14.7 | |
| 0.00 | 1.19 | 0.00 | 0.92 | -14.15 | 207.73 | -49.83 | 105.97 | 0.7730 | 373.0 | 376.1 | |
| 0.00 | 0.93 | 0.00 | 0.74 | -14.27 | 206.79 | -50.77 | 105.96 | 0.7831 | -149.0 | -132.4 | |
| 0.00 | 1.27 | 0.00 | 1.01 | -12.21 | 206.47 | -51.09 | 103.29 | 0.7838 | 418.0 | 356.5 | |
| 0.00 | 0.93 | 0.00 | 0.76 | -14.16 | 205.55 | -52.01 | 105.62 | 0.7958 | -254.0 | -268.1 | |
| 0.00 | 0.85 | 0.00 | 0.70 | -14.54 | 205.32 | -52.24 | 106.06 | 0.7986 | -530.0 | -450.0 | |
| 1.78 | 5.09 | 1.49 | 4.25 | -13.96 | 204.40 | -53.15 | 105.21 | 0.8070 | -423.0 | -542.4 | |
| 2.80 | 8.41 | 2.34 | 6.98 | -13.66 | 204.40 | -53.16 | 104.83 | 0.8067 | -437.3 | -538.3 | |
| 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. | |