| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 7.98 | 21.06 | 5.70 | 15.02 | 9.76 | 99.73 | -44.23 | 72.93 | 0.7214 | 310.3 | 187.8 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-01-04 11:00:24 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 | 0.85 | 0.00 | 0.60 | 10.21 | 100.59 | -43.37 | 72.01 | 0.7129 | 424.0 | 432.8 | |
| 2.38 | 5.86 | 1.67 | 4.10 | 9.27 | 100.62 | -43.34 | 73.28 | 0.7096 | -611.5 | -532.2 | |
| 0.00 | 1.10 | 0.00 | 0.79 | 9.44 | 99.55 | -44.41 | 73.41 | 0.7226 | 162.0 | 170.7 | |
| 4.67 | 11.47 | 3.36 | 8.25 | 10.08 | 99.36 | -44.60 | 72.62 | 0.7267 | 690.2 | 521.8 | |
| 0.00 | 1.10 | 0.00 | 0.79 | 9.42 | 99.39 | -44.57 | 73.50 | 0.7244 | 251.0 | 251.2 | |
| 0.93 | -4.00 | 0.67 | -4.00 | 9.82 | 99.15 | -44.81 | 73.04 | 0.7283 | 482.0 | 999999 | |
| 0.00 | 0.68 | 0.00 | 0.49 | 9.65 | 98.84 | -45.12 | 73.36 | 0.7314 | 552.0 | 517.1 | |
| 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. | |