| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 10.53 | 28.08 | 5.94 | 15.89 | -17.18 | 111.89 | -16.31 | 146.22 | 0.4844 | 189.9 | -302.7 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-08-16 17:59:09 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 |
| 1.44 | 3.06 | 0.81 | 1.71 | -18.25 | 115.71 | -12.49 | 153.89 | 0.4686 | 822.8 | 235.7 | |
| 0.00 | 1.62 | 0.00 | 0.91 | -17.83 | 114.01 | -14.19 | 150.44 | 0.4752 | -879.0 | -658.9 | |
| 6.84 | 9.54 | 3.86 | 5.39 | -17.06 | 112.03 | -16.17 | 146.24 | 0.4811 | 884.4 | 492.3 | |
| 0.36 | 1.26 | 0.20 | 0.71 | -16.47 | 111.98 | -16.22 | 145.44 | 0.4741 | 990.8 | 822.7 | |
| 0.45 | 1.53 | 0.25 | 0.86 | -16.11 | 111.78 | -16.42 | 144.66 | 0.4715 | 842.4 | 738.8 | |
| 0.00 | 0.72 | 0.00 | 0.41 | -17.20 | 110.89 | -17.31 | 144.60 | 0.4927 | -738.0 | -593.8 | |
| 1.44 | 3.78 | 0.82 | 2.16 | -17.48 | 110.69 | -17.51 | 144.63 | 0.4977 | -775.6 | -834.7 | |
| 0.00 | 0.72 | 0.00 | 0.41 | -16.69 | 110.30 | -17.90 | 143.06 | 0.4918 | -866.0 | -716.2 | |
| 0.00 | 5.85 | 0.00 | 3.33 | -16.93 | 110.25 | -17.95 | 143.27 | 0.4951 | -936.0 | -776.5 | |
| 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. | |