SDO HMI 2011-01-03 14:58:55 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 | 7.04 | 0.00 | 3.89 | -26.62 | 208.93 | -11.88 | 155.24 | 0.4396 | 801.8 | 606.3 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-01-03 14:58:55 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 | 1.78 | 0.00 | 0.97 | -25.23 | 210.43 | -10.38 | 156.50 | 0.4105 | 848.0 | 672.3 | |
| 0.00 | 1.10 | 0.00 | 0.60 | -25.93 | 209.74 | -11.07 | 155.90 | 0.4248 | 742.0 | 533.2 | |
| 0.00 | 1.02 | 0.00 | 0.56 | -26.63 | 209.13 | -11.68 | 155.52 | 0.4386 | 767.0 | 618.5 | |
| 0.00 | 1.36 | 0.00 | 0.75 | -26.05 | 208.95 | -11.86 | 154.57 | 0.4317 | 812.0 | 548.8 | |
| 0.00 | 0.93 | 0.00 | 0.52 | -26.93 | 207.68 | -13.13 | 153.29 | 0.4526 | 837.0 | 618.4 | |
| 0.00 | 0.85 | 0.00 | 0.49 | -30.78 | 206.07 | -14.74 | 154.75 | 0.5144 | 805.0 | 626.5 | |
| 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. | |