| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 9.98 | 0.00 | 5.33 | -11.72 | 255.88 | -15.78 | 134.41 | 0.3730 | 759.8 | 632.6 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-07-04 17:00:40 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 | 1.54 | 0.00 | 0.81 | -12.98 | 260.09 | -11.57 | 144.91 | 0.3415 | 888.0 | 706.4 | |
| 0.00 | 3.09 | 0.00 | 1.62 | -10.95 | 257.99 | -13.68 | 136.38 | 0.3380 | 735.0 | 591.7 | |
| 0.00 | 1.09 | 0.00 | 0.58 | -12.80 | 256.99 | -14.68 | 138.00 | 0.3709 | 812.0 | 647.4 | |
| 0.00 | 1.45 | 0.00 | 0.78 | -11.95 | 254.35 | -17.32 | 131.71 | 0.3918 | 911.0 | 782.7 | |
| 0.00 | 1.36 | 0.00 | 0.74 | -11.63 | 252.99 | -18.67 | 128.97 | 0.4050 | 390.0 | 437.2 | |
| 0.00 | 1.45 | 0.00 | 0.80 | -11.10 | 250.72 | -20.95 | 124.83 | 0.4291 | 823.0 | 663.4 | |
| 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. | |