SDO HMI 2014-09-04 11:00:36 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 |
| 35.22 | 206.41 | 145.32 | 830.98 | -14.02 | 94.10 | -81.04 | 105.15 | 0.9923 | 38.2 | -53.1 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-09-04 11:00:36 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 |
| 13.41 | 67.58 | 32.89 | 164.76 | -12.04 | 98.78 | -76.35 | 103.94 | 0.9801 | 313.9 | 181.7 | |
| 0.00 | 4.11 | 0.00 | 13.56 | -13.23 | 95.86 | -79.27 | 104.64 | 0.9892 | -496.0 | -399.3 | |
| 14.66 | 100.30 | 83.93 | 515.71 | -15.14 | 92.52 | -82.62 | 106.01 | 0.9963 | -74.2 | -92.9 | |
| 7.15 | 34.42 | 28.50 | 136.95 | -12.24 | 94.23 | -80.91 | 103.39 | 0.9925 | 69.7 | -136.8 | |
| 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. | |