| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 28.14 | 179.19 | 21.47 | 137.11 | 13.38 | 291.74 | -49.99 | 78.44 | 0.7628 | -757.8 | -235.7 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-08-27 19:59:08 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 | 0.99 | 0.00 | 0.71 | 10.52 | 294.45 | -47.27 | 82.21 | 0.7313 | -654.0 | -548.1 | |
| 1.25 | 175.96 | 0.95 | 134.56 | 13.82 | 291.91 | -49.82 | 77.86 | 0.7612 | -736.6 | -245.1 | |
| 22.77 | -2.00 | 17.33 | -2.00 | 13.41 | 291.88 | -49.85 | 78.39 | 0.7613 | -951.5 | 999999 | |
| 4.12 | -2.00 | 3.19 | -2.00 | 13.16 | 291.12 | -50.61 | 78.76 | 0.7696 | -546.0 | 999999 | |
| 0.00 | 1.43 | 0.00 | 1.14 | 12.97 | 289.82 | -51.91 | 79.04 | 0.7834 | 569.0 | 509.7 | |
| 0.00 | 0.81 | 0.00 | 0.70 | 14.09 | 286.11 | -55.62 | 77.74 | 0.8213 | 474.0 | 397.2 | |
| 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. | |