SDO HMI 2014-03-30 08:00:32 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 |
| 2.89 | 9.55 | 2.96 | 9.79 | -25.63 | 166.93 | 61.00 | 244.31 | 0.8768 | 31.9 | -14.6 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-30 08:00:32 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 | 0.96 | 0.00 | 1.07 | -25.51 | 169.58 | 63.65 | 244.75 | 0.8960 | -393.0 | -348.1 | |
| 0.00 | 1.05 | 0.00 | 1.10 | -25.88 | 167.51 | 61.58 | 244.11 | 0.8815 | -438.0 | -370.7 | |
| 0.00 | 0.88 | 0.00 | 0.87 | -24.25 | 165.88 | 59.94 | 245.77 | 0.8674 | 134.0 | 183.3 | |
| 2.89 | 5.00 | 2.96 | 5.11 | -25.77 | 166.93 | 61.00 | 244.16 | 0.8771 | 465.8 | 315.4 | |
| 0.00 | 0.70 | 0.00 | 0.70 | -25.70 | 165.98 | 60.05 | 244.12 | 0.8698 | -439.0 | -380.2 | |
| 0.00 | 0.35 | 0.00 | 0.35 | -25.84 | 165.90 | 59.97 | 243.95 | 0.8693 | -429.0 | -353.5 | |
| 0.00 | 0.61 | 0.00 | 0.59 | -26.05 | 164.37 | 58.44 | 243.49 | 0.8575 | 472.0 | 391.1 | |
| 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. | |