| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 21.76 | 50.02 | 11.22 | 25.89 | 17.93 | 324.49 | -11.29 | 40.07 | 0.2894 | 364.6 | 242.3 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-10-21 19:59:01 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 |
| 7.66 | 11.83 | 3.92 | 6.05 | 17.05 | 326.85 | -8.93 | 36.11 | 0.2529 | -1078.3 | -899.5 | |
| 0.00 | 3.13 | 0.00 | 1.60 | 16.93 | 326.60 | -9.17 | 37.15 | 0.2537 | -955.0 | -802.6 | |
| 2.61 | 3.92 | 1.34 | 2.01 | 17.23 | 326.33 | -9.44 | 37.19 | 0.2604 | -877.1 | -739.3 | |
| 0.44 | 1.13 | 0.22 | 0.58 | 18.13 | 325.36 | -10.41 | 37.71 | 0.2821 | 942.6 | 744.2 | |
| 0.00 | 1.04 | 0.00 | 0.54 | 17.39 | 325.25 | -10.53 | 39.75 | 0.2740 | 895.0 | 653.1 | |
| 0.00 | 2.00 | 0.00 | 1.02 | 14.41 | 325.03 | -10.75 | 48.70 | 0.2415 | 856.0 | 738.6 | |
| 2.18 | 5.83 | 1.13 | 3.03 | 18.78 | 324.10 | -11.67 | 39.35 | 0.3035 | 1077.3 | 888.9 | |
| 8.87 | 11.48 | 4.61 | 5.96 | 18.41 | 324.03 | -11.75 | 40.34 | 0.2997 | 1172.3 | 889.3 | |
| 0.00 | 2.70 | 0.00 | 1.40 | 18.46 | 323.48 | -12.30 | 41.49 | 0.3063 | 751.0 | 600.7 | |
| 0.00 | 0.61 | 0.00 | 0.32 | 20.47 | 321.03 | -14.75 | 42.16 | 0.3568 | 743.0 | 560.0 | |
| 0.00 | 1.13 | 0.00 | 0.58 | 12.87 | 321.56 | -14.22 | 60.92 | 0.2752 | 787.0 | 572.8 | |
| 0.00 | 2.87 | 0.00 | 1.53 | 20.16 | 319.64 | -16.13 | 45.24 | 0.3689 | 725.0 | 586.6 | |
| 0.00 | 1.39 | 0.00 | 0.76 | 23.22 | 318.74 | -17.03 | 40.95 | 0.4125 | 808.0 | 610.9 | |
| 0.00 | 0.96 | 0.00 | 0.51 | 19.18 | 318.82 | -16.95 | 48.64 | 0.3686 | 758.0 | 550.8 | |
| 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. | |