| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 6.69 | 0.00 | 3.94 | 12.09 | 281.63 | -26.46 | 53.94 | 0.5413 | 375.2 | 246.2 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-15 00:00:29 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 | 0.78 | 0.00 | 0.46 | 12.49 | 282.59 | -25.50 | 52.31 | 0.5333 | -511.0 | -438.1 | |
| 0.00 | 2.26 | 0.00 | 1.34 | 13.17 | 281.77 | -26.33 | 52.18 | 0.5488 | 167.0 | 122.9 | |
| 0.00 | 0.43 | 0.00 | 0.26 | 12.52 | 281.54 | -26.56 | 53.40 | 0.5459 | 727.0 | 592.2 | |
| 0.00 | 2.35 | 0.00 | 1.37 | 11.13 | 281.54 | -26.55 | 55.51 | 0.5343 | 703.0 | 392.1 | |
| 0.00 | 0.87 | 0.00 | 0.51 | 11.28 | 280.71 | -27.39 | 56.12 | 0.5455 | 790.0 | 614.2 | |
| 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. | |