| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 24.47 | 124.36 | 14.69 | 74.64 | -11.25 | 180.67 | 29.55 | 239.21 | 0.5653 | 722.1 | 288.8 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-10-08 12:59:03 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 |
| 1.40 | 118.39 | 0.84 | 71.16 | -10.95 | 181.11 | 29.99 | 240.07 | 0.5684 | 766.7 | 306.0 | |
| 21.84 | -1.00 | 13.11 | -1.00 | -11.19 | 180.85 | 29.73 | 239.49 | 0.5669 | 1033.9 | 999999 | |
| 1.23 | -1.00 | 0.74 | -1.00 | -11.42 | 180.60 | 29.48 | 238.91 | 0.5654 | 818.3 | 999999 | |
| 0.00 | 2.46 | 0.00 | 1.46 | -10.74 | 180.17 | 29.05 | 239.60 | 0.5553 | 681.0 | 764.4 | |
| 0.00 | 1.14 | 0.00 | 0.65 | -12.58 | 174.96 | 23.84 | 231.40 | 0.5067 | -752.0 | -618.8 | |
| 0.00 | 1.23 | 0.00 | 0.71 | -13.72 | 174.84 | 23.72 | 229.51 | 0.5159 | -766.0 | -594.9 | |
| 0.00 | 1.14 | 0.00 | 0.66 | -15.30 | 173.77 | 22.65 | 225.87 | 0.5196 | -472.0 | -386.8 | |
| 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. | |