SDO HMI 2011-12-17 02:58:55 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!)
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 10.13 | 32.59 | 5.27 | 17.04 | -16.87 | 323.53 | 9.80 | 210.94 | 0.3193 | -259.2 | -137.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-12-17 02:58:55 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 |
| 0.00 | 1.19 | 0.00 | 0.63 | -17.07 | 326.79 | 13.06 | 218.12 | 0.3515 | 894.0 | 551.3 | |
| 0.00 | 1.11 | 0.00 | 0.58 | -17.08 | 325.93 | 12.20 | 216.28 | 0.3430 | 893.0 | 729.6 | |
| 0.00 | 2.13 | 0.00 | 1.11 | -14.33 | 325.64 | 11.91 | 221.14 | 0.3054 | 832.0 | 601.2 | |
| 1.62 | 1.87 | 0.85 | 0.99 | -17.51 | 325.11 | 11.38 | 213.67 | 0.3409 | 887.4 | 796.5 | |
| 0.00 | 1.70 | 0.00 | 0.90 | -17.73 | 324.87 | 11.14 | 212.76 | 0.3417 | 727.0 | 613.2 | |
| 0.00 | 1.70 | 0.00 | 0.90 | -17.57 | 324.70 | 10.97 | 212.63 | 0.3381 | 922.0 | 747.0 | |
| 0.00 | 1.36 | 0.00 | 0.72 | -18.10 | 324.58 | 10.85 | 211.47 | 0.3442 | 1007.0 | 803.7 | |
| 5.36 | 6.81 | 2.78 | 3.53 | -15.46 | 323.68 | 9.95 | 213.89 | 0.3001 | -985.2 | -763.8 | |
| 0.00 | 1.11 | 0.00 | 0.57 | -16.01 | 323.27 | 9.54 | 211.78 | 0.3040 | -799.0 | -551.8 | |
| 0.00 | 0.85 | 0.00 | 0.44 | -16.44 | 322.83 | 9.10 | 209.83 | 0.3062 | -833.0 | -647.6 | |
| 0.00 | 1.87 | 0.00 | 0.98 | -17.15 | 322.36 | 8.63 | 207.43 | 0.3127 | -878.0 | -674.2 | |
| 0.00 | 3.49 | 0.00 | 1.82 | -17.64 | 322.20 | 8.47 | 206.25 | 0.3187 | -877.0 | -722.7 | |
| 3.15 | 4.08 | 1.64 | 2.13 | -17.30 | 322.05 | 8.33 | 206.37 | 0.3127 | -1089.9 | -893.1 | |
| 0.00 | 1.53 | 0.00 | 0.80 | -18.35 | 321.38 | 7.65 | 203.10 | 0.3237 | -1023.0 | -866.1 | |
| 0.00 | 0.94 | 0.00 | 0.49 | -18.17 | 321.34 | 7.61 | 203.23 | 0.3206 | -975.0 | -771.4 | |
| 0.00 | 0.85 | 0.00 | 0.45 | -18.79 | 321.28 | 7.55 | 202.28 | 0.3295 | -853.0 | -651.7 | |
| 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. | |