| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 13.93 | 28.70 | 10.08 | 21.24 | 18.32 | 243.68 | -47.59 | 70.67 | 0.7444 | -188.5 | -42.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-08-04 09:59:10 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 |
| 8.32 | 12.49 | 5.95 | 8.92 | 18.02 | 245.63 | -45.65 | 70.69 | 0.7228 | -776.6 | -678.7 | |
| 2.35 | 6.88 | 1.69 | 4.95 | 17.52 | 245.20 | -46.08 | 71.47 | 0.7268 | -593.6 | -474.9 | |
| 1.54 | -2.00 | 1.11 | -2.00 | 17.76 | 245.07 | -46.21 | 71.16 | 0.7286 | -477.3 | 999999 | |
| 0.00 | 1.99 | 0.00 | 1.57 | 19.91 | 240.48 | -50.79 | 69.21 | 0.7815 | 463.0 | 424.8 | |
| 1.72 | 2.35 | 1.33 | 1.82 | 18.16 | 241.17 | -50.11 | 71.34 | 0.7718 | 620.2 | 563.4 | |
| 0.00 | 1.27 | 0.00 | 1.02 | 20.84 | 239.79 | -51.49 | 68.16 | 0.7900 | 437.0 | 359.2 | |
| 0.00 | 1.18 | 0.00 | 0.93 | 18.82 | 240.44 | -50.84 | 70.59 | 0.7803 | 672.0 | 537.3 | |
| 0.00 | 1.54 | 0.00 | 1.23 | 18.96 | 239.71 | -51.57 | 70.54 | 0.7879 | 461.0 | 363.0 | |
| 0.00 | 1.00 | 0.00 | 0.80 | 18.55 | 239.78 | -51.49 | 71.04 | 0.7867 | 453.0 | 396.2 | |
| 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. | |