| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 18.47 | 38.82 | 21.33 | 44.77 | -17.42 | 206.07 | -60.43 | 113.18 | 0.9042 | 137.7 | 136.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-08-28 13:00:37 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 |
| 2.69 | 18.92 | 2.95 | 20.98 | -17.26 | 207.55 | -58.95 | 113.48 | 0.8939 | 490.6 | 173.4 | |
| 6.64 | -1.00 | 7.37 | -1.00 | -17.24 | 207.12 | -59.38 | 113.32 | 0.8968 | 285.1 | 999999 | |
| 0.00 | 2.24 | 0.00 | 2.66 | -19.01 | 205.71 | -60.79 | 114.75 | 0.9104 | 433.0 | 332.5 | |
| 2.33 | 4.12 | 2.67 | 4.71 | -16.71 | 206.07 | -60.43 | 112.42 | 0.9030 | 415.9 | 243.1 | |
| 0.00 | 0.81 | 0.00 | 0.87 | -14.65 | 207.08 | -59.42 | 110.53 | 0.8913 | 379.0 | 367.9 | |
| 2.06 | 4.75 | 2.39 | 5.50 | -16.53 | 205.65 | -60.85 | 112.10 | 0.9055 | 373.4 | 239.3 | |
| 0.00 | 0.63 | 0.00 | 0.75 | -17.57 | 205.06 | -61.44 | 113.03 | 0.9116 | -263.0 | -296.1 | |
| 4.75 | 6.81 | 5.95 | 8.53 | -18.54 | 204.05 | -62.45 | 113.74 | 0.9200 | -381.3 | -256.2 | |
| 0.00 | 0.54 | 0.00 | 0.77 | -17.99 | 200.58 | -65.92 | 112.21 | 0.9394 | -344.0 | -290.5 | |
| 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. | |