| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 11.12 | 63.42 | 26.68 | 154.01 | -20.28 | 258.80 | -74.69 | 112.50 | 0.9798 | -46.3 | -74.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-08-28 10:59:08 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 | 1.44 | 0.00 | 3.24 | -22.67 | 260.53 | -72.96 | 115.24 | 0.9763 | 272.0 | 280.9 | |
| 3.68 | 30.05 | 8.06 | 65.18 | -20.98 | 260.40 | -73.09 | 113.52 | 0.9753 | 286.8 | 201.1 | |
| 0.54 | -2.00 | 1.20 | -2.00 | -21.14 | 260.20 | -73.29 | 113.64 | 0.9761 | -149.3 | 999999 | |
| 1.61 | -2.00 | 3.61 | -2.00 | -20.91 | 260.15 | -73.34 | 113.40 | 0.9761 | -242.8 | 999999 | |
| 2.33 | 4.13 | 5.05 | 8.98 | -20.27 | 260.50 | -72.99 | 112.84 | 0.9743 | 146.5 | 74.7 | |
| 0.00 | 2.60 | 0.00 | 6.12 | -20.61 | 259.37 | -74.12 | 112.94 | 0.9785 | -37.0 | -117.1 | |
| 0.00 | 10.67 | 0.00 | 27.41 | -19.85 | 258.04 | -75.45 | 111.91 | 0.9822 | -389.0 | -402.2 | |
| 2.96 | 14.53 | 8.76 | 43.08 | -19.26 | 256.43 | -77.06 | 111.01 | 0.9864 | -367.0 | -274.1 | |
| 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. | |