| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 4.83 | 0.00 | 2.48 | -13.74 | 73.42 | -11.95 | 124.68 | 0.2460 | -799.4 | -610.1 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-04 14:00:28 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 | 0.95 | 0.00 | 0.48 | -15.50 | 83.92 | -1.46 | 170.31 | 0.1466 | -889.0 | -686.8 | |
| 0.00 | 0.86 | 0.00 | 0.44 | -10.96 | 71.81 | -13.57 | 106.53 | 0.2414 | -805.0 | -636.6 | |
| 0.00 | 0.86 | 0.00 | 0.44 | -12.20 | 71.62 | -13.76 | 111.20 | 0.2505 | -756.0 | -610.6 | |
| 0.00 | 0.78 | 0.00 | 0.40 | -11.69 | 70.52 | -14.86 | 108.05 | 0.2653 | -763.0 | -500.0 | |
| 0.00 | 1.38 | 0.00 | 0.72 | -16.35 | 70.13 | -15.24 | 122.83 | 0.3016 | -784.0 | -603.8 | |
| 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. | |