SDO HMI 2014-10-02 09:00:33 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 |
| 9.16 | 86.22 | 27.20 | 291.65 | -15.32 | 245.13 | 78.54 | 253.24 | 0.9877 | -198.6 | 138.1 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-10-02 09:00:33 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 | 3.35 | 0.00 | 17.27 | -15.92 | 248.81 | 82.21 | 253.21 | 0.9957 | 447.0 | 434.8 | |
| 9.16 | 77.50 | 27.20 | 253.46 | -15.16 | 244.73 | 78.14 | 253.34 | 0.9867 | -250.9 | 113.3 | |
| 0.00 | 3.61 | 0.00 | 14.85 | -16.83 | 247.37 | 80.77 | 252.09 | 0.9934 | 52.0 | 140.0 | |
| 0.00 | 1.76 | 0.00 | 6.07 | -16.57 | 245.98 | 79.38 | 252.13 | 0.9905 | 327.0 | 212.6 | |
| 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. | |