| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 8.99 | 0.00 | 4.85 | -16.91 | 90.90 | -1.55 | 175.84 | 0.3874 | -30.2 | -24.8 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-07-18 06:00:40 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 | 1.27 | 0.00 | 0.67 | -12.29 | 102.11 | 9.67 | 209.51 | 0.3345 | 735.0 | 613.0 | |
| 0.00 | 0.82 | 0.00 | 0.43 | -12.23 | 100.41 | 7.96 | 205.07 | 0.3208 | 747.0 | 648.7 | |
| 0.00 | 1.00 | 0.00 | 0.57 | -25.37 | 92.99 | 0.54 | 180.98 | 0.5020 | 739.0 | 600.7 | |
| 0.00 | 1.36 | 0.00 | 0.78 | -25.58 | 92.99 | 0.54 | 180.97 | 0.5052 | 669.0 | 516.1 | |
| 0.00 | 1.27 | 0.00 | 0.68 | -15.51 | 86.00 | -6.45 | 162.52 | 0.3620 | -674.0 | -634.8 | |
| 0.00 | 1.18 | 0.00 | 0.62 | -12.59 | 84.73 | -7.72 | 156.07 | 0.3245 | -957.0 | -786.0 | |
| 0.00 | 0.91 | 0.00 | 0.48 | -14.39 | 84.54 | -7.91 | 157.72 | 0.3529 | -755.0 | -637.8 | |
| 0.00 | 1.18 | 0.00 | 0.62 | -14.30 | 84.07 | -8.38 | 156.42 | 0.3545 | -746.0 | -531.7 | |
| 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. | |