| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 17.49 | 52.03 | 9.00 | 26.83 | 17.84 | 325.07 | -10.15 | 37.47 | 0.2759 | 370.8 | 85.8 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-10-21 20:59:01 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 |
| 5.31 | 16.18 | 2.71 | 8.27 | 16.97 | 326.84 | -8.38 | 34.64 | 0.2465 | -1124.5 | -845.9 | |
| 0.00 | 1.22 | 0.00 | 0.62 | 17.45 | 326.72 | -8.50 | 33.86 | 0.2543 | -722.0 | -504.6 | |
| 2.70 | 5.92 | 1.38 | 3.03 | 17.20 | 326.39 | -8.84 | 35.46 | 0.2541 | -988.5 | -707.4 | |
| 0.00 | 1.74 | 0.00 | 0.90 | 18.14 | 325.35 | -9.87 | 36.25 | 0.2768 | 995.0 | 820.3 | |
| 0.00 | 1.74 | 0.00 | 0.89 | 14.42 | 325.01 | -10.21 | 47.26 | 0.2349 | 732.0 | 667.0 | |
| 0.00 | 0.96 | 0.00 | 0.50 | 19.29 | 324.51 | -10.71 | 35.94 | 0.3002 | 662.0 | 535.6 | |
| 1.91 | 5.74 | 0.99 | 2.98 | 18.73 | 324.07 | -11.15 | 38.23 | 0.2974 | 1054.7 | 863.5 | |
| 7.57 | 11.83 | 3.92 | 6.13 | 18.42 | 323.99 | -11.23 | 39.09 | 0.2943 | 1174.6 | 897.0 | |
| 0.00 | 2.35 | 0.00 | 1.22 | 18.50 | 323.54 | -11.68 | 39.99 | 0.3002 | 789.0 | 687.0 | |
| 0.00 | 2.26 | 0.00 | 1.17 | 18.29 | 323.52 | -11.70 | 40.52 | 0.2977 | 846.0 | 656.5 | |
| 0.00 | 1.39 | 0.00 | 0.74 | 20.18 | 319.69 | -15.54 | 44.19 | 0.3623 | 997.0 | 803.0 | |
| 0.00 | 0.70 | 0.00 | 0.38 | 23.24 | 318.73 | -16.49 | 40.05 | 0.4070 | 767.0 | 585.4 | |
| 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. | |