| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 12.64 | 0.00 | 7.16 | 17.19 | 89.54 | 17.14 | 324.67 | 0.4887 | -572.2 | -490.9 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-04-01 21:00:32 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 | 0.97 | 0.00 | 0.56 | 18.30 | 90.83 | 18.43 | 324.06 | 0.5135 | -614.0 | -511.3 | |
| 0.00 | 1.23 | 0.00 | 0.70 | 17.92 | 90.53 | 18.13 | 324.07 | 0.5064 | -768.0 | -697.4 | |
| 0.00 | 1.14 | 0.00 | 0.65 | 17.09 | 90.01 | 17.61 | 323.81 | 0.4918 | -742.0 | -606.5 | |
| 0.00 | 1.32 | 0.00 | 0.75 | 18.17 | 90.09 | 17.69 | 325.02 | 0.5056 | -845.0 | -681.3 | |
| 0.00 | 1.49 | 0.00 | 0.84 | 16.42 | 89.75 | 17.35 | 323.38 | 0.4814 | -797.0 | -642.8 | |
| 0.00 | 2.28 | 0.00 | 1.29 | 17.10 | 89.39 | 16.99 | 324.80 | 0.4864 | -662.0 | -600.7 | |
| 0.00 | 1.14 | 0.00 | 0.65 | 17.68 | 89.25 | 16.85 | 325.73 | 0.4924 | -744.0 | -612.8 | |
| 0.00 | 1.75 | 0.00 | 1.00 | 18.07 | 89.19 | 16.79 | 326.29 | 0.4967 | -724.0 | -551.5 | |
| 0.00 | 1.32 | 0.00 | 0.72 | 14.06 | 87.36 | 14.96 | 324.24 | 0.4303 | 746.0 | 596.6 | |
| 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. | |