SDO HMI 2011-12-05 18:58:56 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 |
| 17.73 | 34.00 | 16.71 | 32.22 | -16.47 | 46.25 | -56.83 | 109.66 | 0.8544 | 115.6 | 104.1 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-12-05 18:58:56 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 |
| 8.95 | 12.79 | 8.20 | 11.72 | -16.87 | 47.58 | -55.49 | 110.41 | 0.8436 | 545.0 | 404.2 | |
| 0.00 | 2.47 | 0.00 | 2.31 | -17.18 | 46.89 | -56.19 | 110.62 | 0.8502 | 264.0 | 292.1 | |
| 2.13 | 3.41 | 2.02 | 3.23 | -17.47 | 46.36 | -56.72 | 110.82 | 0.8553 | 369.6 | 222.8 | |
| 0.00 | 1.53 | 0.00 | 1.48 | -17.75 | 45.70 | -57.38 | 111.00 | 0.8613 | 490.0 | 408.5 | |
| 0.60 | 2.13 | 0.59 | 2.10 | -17.60 | 45.14 | -57.94 | 110.71 | 0.8657 | 314.1 | 190.6 | |
| 0.00 | 0.85 | 0.00 | 0.83 | -15.99 | 45.27 | -57.81 | 108.90 | 0.8619 | -444.0 | -392.0 | |
| 0.00 | 1.53 | 0.00 | 1.48 | -15.34 | 45.33 | -57.75 | 108.17 | 0.8604 | -687.0 | -491.1 | |
| 6.05 | 8.44 | 5.90 | 8.23 | -15.16 | 44.95 | -58.13 | 107.89 | 0.8634 | -472.3 | -338.5 | |
| 0.00 | 0.85 | 0.00 | 0.84 | -15.25 | 44.61 | -58.47 | 107.93 | 0.8664 | 272.0 | 231.8 | |
| 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. | |