SDO HMI 2011-08-11 10:59:10 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 | 6.05 | 0.00 | 3.19 | 17.09 | 180.70 | -17.47 | 56.87 | 0.3470 | -790.0 | -660.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-08-11 10:59:10 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 | 0.90 | 0.00 | 0.47 | 12.23 | 181.84 | -16.33 | 68.99 | 0.2957 | -814.0 | -647.4 | |
| 0.00 | 2.44 | 0.00 | 1.29 | 18.41 | 180.53 | -17.64 | 53.51 | 0.3592 | -954.0 | -798.5 | |
| 0.00 | 1.81 | 0.00 | 0.96 | 18.60 | 180.51 | -17.66 | 53.10 | 0.3611 | -644.0 | -480.1 | |
| 0.00 | 0.90 | 0.00 | 0.47 | 15.25 | 180.40 | -17.77 | 61.69 | 0.3359 | -748.0 | -658.8 | |
| 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. | |