| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 14.50 | 35.61 | 14.14 | 34.91 | 7.73 | 265.77 | -59.70 | 82.48 | 0.8649 | -359.7 | -146.4 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-11-18 21:58:57 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 | 0.94 | 0.00 | 0.91 | 8.47 | 266.31 | -59.17 | 81.60 | 0.8606 | 588.0 | 552.0 | |
| 10.30 | 27.29 | 10.00 | 26.49 | 7.51 | 266.12 | -59.35 | 82.73 | 0.8619 | -764.1 | -240.5 | |
| 0.86 | 2.23 | 0.84 | 2.19 | 8.81 | 265.74 | -59.73 | 81.23 | 0.8656 | 519.8 | 421.6 | |
| 2.40 | 3.26 | 2.38 | 3.22 | 8.71 | 265.53 | -59.95 | 81.35 | 0.8675 | 355.2 | 249.9 | |
| 0.94 | -2.00 | 0.92 | -2.00 | 7.44 | 265.84 | -59.63 | 82.82 | 0.8644 | 147.5 | 999999 | |
| 0.00 | 0.77 | 0.00 | 0.77 | 8.82 | 265.32 | -60.16 | 81.23 | 0.8693 | -122.0 | -198.2 | |
| 0.00 | 1.12 | 0.00 | 1.33 | 6.91 | 259.79 | -65.68 | 83.52 | 0.9122 | -408.0 | -319.7 | |
| 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. | |