| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 11.51 | 0.00 | 7.00 | 14.65 | 357.57 | 34.36 | 288.54 | 0.5732 | -395.0 | -296.7 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-10-17 19:00:30 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 | 1.22 | 0.00 | 0.82 | 11.94 | 5.68 | 42.47 | 281.50 | 0.6765 | -638.0 | -453.5 | |
| 0.00 | 1.57 | 0.00 | 1.00 | 14.46 | 1.85 | 38.65 | 286.01 | 0.6315 | -295.0 | -371.4 | |
| 0.00 | 0.70 | 0.00 | 0.44 | 16.02 | 1.20 | 38.00 | 288.64 | 0.6268 | -504.0 | -381.6 | |
| 0.00 | 1.83 | 0.00 | 1.13 | 13.98 | 359.77 | 36.56 | 285.76 | 0.6029 | -619.0 | -463.3 | |
| 0.00 | 1.48 | 0.00 | 0.90 | 15.46 | 358.22 | 35.02 | 288.69 | 0.5861 | -728.0 | -620.8 | |
| 0.00 | 1.22 | 0.00 | 0.75 | 15.62 | 358.21 | 35.01 | 288.95 | 0.5864 | -513.0 | -405.2 | |
| 0.00 | 1.57 | 0.00 | 0.95 | 15.30 | 357.92 | 34.72 | 288.52 | 0.5816 | -728.0 | -511.4 | |
| 0.00 | 1.92 | 0.00 | 1.01 | 15.14 | 341.31 | 18.10 | 299.41 | 0.3458 | 865.0 | 699.6 | |
| 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. | |