SDO HMI 2011-02-27 07:58:58 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 |
| 7.93 | 24.39 | 5.93 | 18.27 | 16.98 | 177.79 | -42.62 | 59.72 | 0.7519 | -206.5 | -23.1 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-02-27 07:58:58 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 | 1.98 | 0.00 | 1.41 | 15.95 | 180.26 | -40.15 | 59.55 | 0.7216 | 744.0 | 594.5 | |
| 0.00 | 0.52 | 0.00 | 0.37 | 15.81 | 179.97 | -40.44 | 59.89 | 0.7239 | 722.0 | 680.0 | |
| 0.00 | 1.64 | 0.00 | 1.18 | 15.95 | 179.81 | -40.60 | 59.81 | 0.7262 | 532.0 | 437.3 | |
| 0.00 | 1.55 | 0.00 | 1.11 | 15.67 | 179.72 | -40.69 | 60.21 | 0.7257 | 655.0 | 586.8 | |
| 0.00 | 1.12 | 0.00 | 0.84 | 18.79 | 178.78 | -41.63 | 57.02 | 0.7521 | -630.0 | -576.2 | |
| 7.93 | 10.26 | 5.93 | 7.67 | 17.30 | 178.00 | -42.41 | 59.24 | 0.7517 | -719.9 | -496.8 | |
| 0.00 | 1.03 | 0.00 | 0.76 | 15.83 | 178.32 | -42.09 | 60.84 | 0.7409 | 547.0 | 480.2 | |
| 0.00 | 0.86 | 0.00 | 0.66 | 18.23 | 177.38 | -43.03 | 58.49 | 0.7625 | -564.0 | -457.1 | |
| 0.00 | 1.12 | 0.00 | 0.87 | 17.34 | 175.79 | -44.62 | 60.41 | 0.7733 | -587.0 | -526.2 | |
| 0.00 | 1.64 | 0.00 | 1.27 | 16.76 | 175.84 | -44.57 | 61.07 | 0.7701 | -536.0 | -403.5 | |
| 0.00 | 1.12 | 0.00 | 0.88 | 17.64 | 175.39 | -45.02 | 60.28 | 0.7786 | -464.0 | -348.2 | |
| 0.00 | 0.95 | 0.00 | 0.76 | 18.84 | 174.72 | -45.69 | 59.24 | 0.7904 | -254.0 | -211.0 | |
| 0.00 | 0.60 | 0.00 | 0.49 | 14.25 | 172.31 | -48.10 | 65.73 | 0.7936 | 402.0 | 356.3 | |
| 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. | |