| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 12.89 | 0.00 | 8.46 | -15.24 | 130.36 | 39.81 | 252.32 | 0.6494 | 360.1 | 373.5 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-31 12:00:32 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 | 1.23 | 0.00 | 0.91 | -7.36 | 138.90 | 48.35 | 266.00 | 0.7452 | 655.0 | 577.8 | |
| 0.00 | 2.28 | 0.00 | 1.57 | -7.49 | 135.05 | 44.50 | 265.99 | 0.6989 | 674.0 | 553.8 | |
| 0.00 | 1.93 | 0.00 | 1.31 | -16.15 | 133.71 | 43.16 | 253.38 | 0.6880 | 548.0 | 545.0 | |
| 0.00 | 1.05 | 0.00 | 0.72 | -17.93 | 134.18 | 43.63 | 250.92 | 0.6969 | 516.0 | 452.4 | |
| 0.00 | 1.23 | 0.00 | 0.84 | -18.57 | 133.51 | 42.96 | 249.86 | 0.6904 | 575.0 | 491.0 | |
| 0.00 | 1.58 | 0.00 | 1.04 | -16.26 | 131.71 | 41.16 | 252.80 | 0.6637 | 660.0 | 589.8 | |
| 0.00 | 0.26 | 0.00 | 0.17 | -19.27 | 130.62 | 40.07 | 248.02 | 0.6576 | 489.0 | 408.7 | |
| 0.00 | 0.88 | 0.00 | 0.54 | -21.46 | 125.71 | 35.16 | 242.71 | 0.6052 | 729.0 | 661.2 | |
| 0.00 | 1.05 | 0.00 | 0.60 | -19.32 | 117.35 | 26.80 | 241.36 | 0.4867 | -586.0 | -495.9 | |
| 0.00 | 1.40 | 0.00 | 0.76 | -22.98 | 109.25 | 18.70 | 225.70 | 0.4142 | -659.0 | -571.2 | |
| 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. | |