SDO HMI 2011-05-29 07:59:10 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 |
| 18.15 | 92.45 | 12.33 | 62.89 | 17.00 | 59.14 | -39.87 | 63.51 | 0.6872 | -923.2 | -335.8 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-05-29 07:59:10 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 |
| 18.15 | 89.93 | 12.33 | 61.11 | 16.94 | 59.18 | -39.83 | 63.57 | 0.6865 | -1076.6 | -336.7 | |
| 0.00 | 0.63 | 0.00 | 0.44 | 18.82 | 57.82 | -41.19 | 61.72 | 0.7101 | 362.0 | 316.0 | |
| 0.00 | 1.08 | 0.00 | 0.77 | 19.89 | 57.40 | -41.61 | 60.53 | 0.7195 | -638.0 | -529.9 | |
| 0.00 | 0.81 | 0.00 | 0.57 | 17.92 | 57.87 | -41.14 | 62.89 | 0.7055 | -602.0 | -502.2 | |
| 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. | |