SDO HMI 2011-12-10 08:58:56 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 |
| 28.97 | 170.78 | 15.96 | 94.31 | 18.12 | 61.71 | 19.03 | 315.54 | 0.4438 | -1158.9 | -434.8 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-12-10 08:58:56 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 |
| 0.00 | 0.94 | 0.00 | 0.55 | 20.50 | 67.25 | 24.56 | 312.29 | 0.5285 | -631.0 | -574.7 | |
| 0.00 | 2.39 | 0.00 | 1.39 | 20.44 | 67.03 | 24.34 | 312.44 | 0.5255 | -856.0 | -735.0 | |
| 0.00 | 0.60 | 0.00 | 0.35 | 21.80 | 67.10 | 24.41 | 314.37 | 0.5389 | -680.0 | -615.1 | |
| 0.00 | 1.70 | 0.00 | 0.99 | 20.78 | 66.74 | 24.06 | 313.28 | 0.5256 | -834.0 | -679.2 | |
| 0.00 | 1.87 | 0.00 | 1.09 | 21.23 | 66.68 | 23.99 | 314.00 | 0.5291 | -753.0 | -651.1 | |
| 0.00 | 2.30 | 0.00 | 1.32 | 20.78 | 65.02 | 22.34 | 315.28 | 0.5070 | -757.0 | -627.9 | |
| 28.97 | 160.98 | 15.96 | 88.62 | 17.95 | 61.40 | 18.72 | 315.66 | 0.4387 | -1312.0 | -417.0 | |
| 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. | |