| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 55.00 | 362.47 | 63.51 | 418.12 | -17.64 | 106.28 | 60.50 | 246.67 | 0.9032 | 58.8 | 0.9 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-08-18 00:00:38 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 |
| 29.53 | 187.99 | 38.01 | 241.74 | -17.12 | 109.55 | 63.78 | 248.25 | 0.9247 | 534.6 | 196.0 | |
| 0.00 | 2.61 | 0.00 | 3.13 | -16.44 | 107.82 | 62.04 | 248.48 | 0.9124 | 394.0 | 440.0 | |
| 0.00 | 0.63 | 0.00 | 0.76 | -16.74 | 107.85 | 62.07 | 248.17 | 0.9132 | 511.0 | 483.1 | |
| 0.00 | 2.25 | 0.00 | 2.75 | -17.48 | 108.08 | 62.30 | 247.46 | 0.9161 | 443.0 | 416.8 | |
| 0.00 | 4.77 | 0.00 | 5.51 | -16.99 | 106.58 | 60.81 | 247.53 | 0.9052 | 570.0 | 463.8 | |
| 0.00 | 0.90 | 0.00 | 0.99 | -19.43 | 104.14 | 58.36 | 244.17 | 0.8939 | -419.0 | -343.0 | |
| 0.00 | 1.26 | 0.00 | 1.30 | -19.05 | 102.13 | 56.35 | 243.87 | 0.8784 | 77.0 | 120.9 | |
| 13.95 | 162.06 | 13.88 | 161.94 | -18.20 | 101.24 | 55.47 | 244.47 | 0.8692 | -861.4 | -329.1 | |
| 11.52 | -8.00 | 11.62 | -8.00 | -18.72 | 101.50 | 55.72 | 244.00 | 0.8727 | -503.5 | 999999 | |
| 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. | |