SDO HMI 2011-12-05 20:58:56 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 | 10.24 | 0.00 | 5.56 | 21.20 | 88.95 | -13.02 | 30.58 | 0.4154 | -807.8 | -649.8 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-12-05 20:58:56 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 | 0.94 | 0.00 | 0.51 | 22.83 | 90.18 | -11.79 | 26.21 | 0.4284 | -754.0 | -580.4 | |
| 0.00 | 2.98 | 0.00 | 1.61 | 20.36 | 89.19 | -12.78 | 31.20 | 0.4022 | -993.0 | -758.4 | |
| 0.00 | 2.39 | 0.00 | 1.30 | 21.24 | 88.95 | -13.02 | 30.47 | 0.4160 | -824.0 | -607.8 | |
| 0.00 | 1.71 | 0.00 | 0.92 | 20.17 | 88.98 | -12.99 | 31.87 | 0.4014 | -749.0 | -658.4 | |
| 0.00 | 0.94 | 0.00 | 0.51 | 19.95 | 88.84 | -13.14 | 32.46 | 0.3997 | -741.0 | -551.2 | |
| 0.00 | 1.28 | 0.00 | 0.71 | 24.08 | 87.54 | -14.43 | 29.46 | 0.4647 | -786.0 | -589.7 | |
| 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. | |