SDO HMI 2014-10-13 19:00:31 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!)
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 22.03 | 0.00 | 11.63 | 15.26 | 358.43 | -17.54 | 59.23 | 0.3353 | -669.0 | -566.6 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-10-13 19:00:31 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 | 1.84 | 0.00 | 0.94 | 14.60 | 3.47 | -12.50 | 53.99 | 0.2601 | -931.0 | -789.7 | |
| 0.00 | 2.10 | 0.00 | 1.08 | 14.44 | 3.09 | -12.87 | 55.25 | 0.2638 | -951.0 | -767.8 | |
| 0.00 | 7.87 | 0.00 | 4.09 | 14.83 | 0.17 | -15.80 | 59.09 | 0.3081 | -734.0 | -635.9 | |
| 0.00 | 1.31 | 0.00 | 0.68 | 14.49 | 359.93 | -16.03 | 60.41 | 0.3089 | -1082.0 | -949.6 | |
| 0.00 | 1.92 | 0.00 | 1.00 | 14.91 | 359.81 | -16.16 | 59.39 | 0.3139 | -897.0 | -779.4 | |
| 0.00 | 3.93 | 0.00 | 2.07 | 15.83 | 358.99 | -16.98 | 58.03 | 0.3326 | -769.0 | -586.9 | |
| 0.00 | 1.22 | 0.00 | 0.66 | 16.47 | 355.21 | -20.76 | 60.99 | 0.3903 | -727.0 | -638.9 | |
| 0.00 | 1.84 | 0.00 | 1.11 | 17.21 | 341.96 | -34.01 | 68.38 | 0.5769 | 739.0 | 579.9 | |
| 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. | |