SDO HMI 2011-11-08 22:58:58 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 | 8.53 | 0.00 | 4.57 | -18.46 | 98.42 | 1.66 | 184.67 | 0.3792 | -393.8 | -197.6 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-11-08 22:58:58 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 | 3.02 | 0.00 | 1.61 | -18.00 | 99.89 | 3.13 | 188.02 | 0.3733 | 941.0 | 789.5 | |
| 0.00 | 1.03 | 0.00 | 0.55 | -17.36 | 99.60 | 2.84 | 187.52 | 0.3623 | -827.0 | -642.6 | |
| 0.00 | 3.62 | 0.00 | 1.92 | -17.36 | 98.35 | 1.59 | 184.24 | 0.3602 | -967.0 | -794.6 | |
| 0.00 | 0.86 | 0.00 | 0.49 | -25.47 | 92.52 | -4.24 | 172.17 | 0.4924 | -722.0 | -600.9 | |
| 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. | |