SDO HMI 2014-03-27 10:00:31 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 | 6.39 | 0.00 | 4.96 | -23.05 | 94.86 | -49.54 | 114.48 | 0.7660 | 276.0 | 252.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-27 10:00:31 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 | 1.05 | 0.00 | 0.74 | -21.85 | 99.78 | -44.63 | 114.11 | 0.7166 | 508.0 | 433.0 | |
| 0.00 | 1.05 | 0.00 | 0.73 | -19.61 | 100.26 | -44.15 | 111.13 | 0.7057 | 629.0 | 561.7 | |
| 0.00 | 0.88 | 0.00 | 0.64 | -22.57 | 97.81 | -46.60 | 114.55 | 0.7399 | 322.0 | 244.0 | |
| 0.00 | 0.70 | 0.00 | 0.51 | -22.26 | 97.85 | -46.56 | 114.14 | 0.7387 | 545.0 | 502.6 | |
| 0.00 | 1.49 | 0.00 | 1.10 | -21.79 | 97.15 | -47.25 | 113.35 | 0.7450 | 516.0 | 431.8 | |
| 0.00 | 0.61 | 0.00 | 0.61 | -27.16 | 84.55 | -59.86 | 117.51 | 0.8695 | -86.0 | -131.7 | |
| 0.00 | 0.61 | 0.00 | 0.63 | -27.78 | 83.43 | -60.98 | 118.05 | 0.8786 | -502.0 | -457.9 | |
| 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. | |