| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 8.82 | 23.67 | 9.49 | 25.77 | -17.88 | 217.06 | 62.14 | 250.95 | 0.8918 | -168.3 | 51.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-05-20 03:00:38 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 |
| 0.90 | 2.16 | 1.06 | 2.56 | -18.64 | 219.44 | 64.51 | 250.41 | 0.9096 | 462.2 | 303.9 | |
| 0.72 | 3.33 | 0.81 | 3.77 | -17.59 | 218.22 | 63.30 | 251.42 | 0.9002 | 402.4 | 231.9 | |
| 0.00 | 0.72 | 0.00 | 0.82 | -17.97 | 218.39 | 63.47 | 251.02 | 0.9018 | 173.0 | 204.6 | |
| 0.00 | 2.16 | 0.00 | 2.50 | -18.75 | 218.85 | 63.92 | 250.21 | 0.9057 | 93.0 | 92.9 | |
| 0.00 | 0.99 | 0.00 | 1.08 | -17.78 | 217.15 | 62.22 | 251.07 | 0.8925 | 476.0 | 487.5 | |
| 0.00 | 1.08 | 0.00 | 1.11 | -15.21 | 215.74 | 60.81 | 253.79 | 0.8793 | -415.0 | -372.5 | |
| 0.00 | 1.08 | 0.00 | 1.11 | -15.43 | 215.52 | 60.60 | 253.51 | 0.8777 | -443.0 | -427.1 | |
| 7.20 | 10.80 | 7.62 | 11.44 | -18.16 | 216.15 | 61.23 | 250.51 | 0.8854 | -379.1 | 15.8 | |
| 0.00 | 1.35 | 0.00 | 1.38 | -17.43 | 215.27 | 60.35 | 251.22 | 0.8777 | -417.0 | -293.7 | |
| 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. | |