SDO HMI 2014-09-02 11:00:37 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 | 6.54 | 0.00 | 3.44 | 11.51 | 183.01 | -18.54 | 74.39 | 0.3211 | -505.2 | -457.9 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-09-02 11:00:37 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 | 1.88 | 0.00 | 0.96 | 10.70 | 187.49 | -14.06 | 74.81 | 0.2485 | -824.0 | -646.9 | |
| 0.00 | 2.06 | 0.00 | 1.06 | 11.09 | 185.36 | -16.19 | 75.10 | 0.2844 | -867.0 | -611.7 | |
| 0.00 | 0.98 | 0.00 | 0.51 | 12.66 | 185.01 | -16.54 | 70.16 | 0.2966 | -713.0 | -657.6 | |
| 0.00 | 0.81 | 0.00 | 0.42 | 12.51 | 184.95 | -16.60 | 70.71 | 0.2967 | -795.0 | -619.1 | |
| 0.00 | 0.81 | 0.00 | 0.49 | 11.92 | 165.42 | -36.13 | 79.59 | 0.5888 | 673.0 | 585.9 | |
| 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. | |