| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 42.51 | 149.13 | 41.70 | 147.57 | 18.94 | 171.59 | 58.09 | 291.85 | 0.8651 | -115.8 | -5.4 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-12-04 23:58:56 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 |
| 0.77 | 1.37 | 0.84 | 1.50 | 16.98 | 175.49 | 61.99 | 288.87 | 0.8942 | 322.0 | 275.7 | |
| 9.90 | 56.74 | 11.01 | 63.22 | 18.94 | 175.56 | 62.06 | 291.02 | 0.8971 | -485.5 | -99.4 | |
| 1.37 | -2.00 | 1.51 | -2.00 | 19.19 | 175.32 | 61.82 | 291.34 | 0.8957 | -517.5 | 999999 | |
| 8.28 | 14.16 | 8.46 | 14.44 | 19.11 | 172.83 | 59.33 | 291.71 | 0.8768 | -635.4 | -505.3 | |
| 4.27 | 9.21 | 4.01 | 8.67 | 17.97 | 170.02 | 56.53 | 290.99 | 0.8520 | -571.5 | -396.3 | |
| 1.37 | -5.00 | 1.29 | -5.00 | 18.22 | 170.09 | 56.60 | 291.26 | 0.8530 | -599.1 | 999999 | |
| 0.94 | 65.01 | 0.84 | 57.43 | 18.92 | 167.83 | 54.34 | 292.60 | 0.8347 | 235.4 | 187.0 | |
| 11.26 | -7.00 | 9.94 | -7.00 | 19.01 | 167.29 | 53.79 | 292.85 | 0.8300 | 668.7 | 999999 | |
| 2.22 | -7.00 | 1.94 | -7.00 | 19.23 | 166.86 | 53.37 | 293.22 | 0.8267 | 782.9 | 999999 | |
| 2.13 | 2.64 | 1.86 | 2.31 | 19.52 | 166.63 | 53.13 | 293.62 | 0.8252 | 594.6 | 649.3 | |
| 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. | |