SDO HMI 2011-12-07 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 |
| 5.97 | 22.78 | 4.08 | 15.74 | 18.99 | 122.89 | 40.67 | 297.78 | 0.6981 | 239.2 | 121.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-12-07 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 | 2.22 | 0.00 | 1.61 | 17.92 | 126.45 | 44.24 | 294.77 | 0.7334 | -619.0 | -486.9 | |
| 0.00 | 1.71 | 0.00 | 1.24 | 18.35 | 126.29 | 44.07 | 295.40 | 0.7332 | -702.0 | -603.7 | |
| 0.85 | 1.45 | 0.63 | 1.07 | 20.45 | 126.80 | 44.58 | 297.89 | 0.7464 | -639.3 | -628.6 | |
| 0.00 | 1.11 | 0.00 | 0.82 | 20.77 | 126.78 | 44.56 | 298.30 | 0.7475 | -464.0 | -404.9 | |
| 0.00 | 0.94 | 0.00 | 0.64 | 18.35 | 122.25 | 40.03 | 297.17 | 0.6886 | 530.0 | 425.3 | |
| 5.12 | 8.19 | 3.45 | 5.53 | 18.29 | 121.67 | 39.45 | 297.38 | 0.6817 | 808.7 | 767.8 | |
| 0.00 | 1.19 | 0.00 | 0.84 | 22.07 | 122.63 | 40.41 | 301.93 | 0.7102 | 656.0 | 530.1 | |
| 0.00 | 1.11 | 0.00 | 0.75 | 18.76 | 121.59 | 39.38 | 298.05 | 0.6830 | 586.0 | 582.1 | |
| 0.00 | 0.77 | 0.00 | 0.52 | 20.14 | 121.30 | 39.09 | 300.08 | 0.6864 | 639.0 | 520.1 | |
| 0.00 | 1.19 | 0.00 | 0.81 | 20.74 | 121.08 | 38.86 | 301.00 | 0.6869 | 604.0 | 505.2 | |
| 0.00 | 1.62 | 0.00 | 1.10 | 20.67 | 120.78 | 38.56 | 301.09 | 0.6833 | 466.0 | 473.9 | |
| 0.00 | 1.28 | 0.00 | 0.81 | 15.88 | 117.43 | 35.22 | 296.13 | 0.6201 | -716.0 | -490.6 | |
| 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. | |