| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 10.54 | 68.15 | 10.80 | 69.77 | -6.40 | 153.93 | 61.44 | 266.69 | 0.8762 | 473.6 | 190.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-04 01:00:28 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 |
| 10.54 | 62.97 | 10.80 | 64.70 | -6.37 | 154.04 | 61.55 | 266.71 | 0.8772 | 557.0 | 177.4 | |
| 0.00 | 3.63 | 0.00 | 3.60 | -6.83 | 153.08 | 60.59 | 266.27 | 0.8688 | 399.0 | 393.6 | |
| 0.00 | 0.95 | 0.00 | 0.94 | -6.68 | 152.86 | 60.37 | 266.47 | 0.8670 | 498.0 | 424.4 | |
| 0.00 | 0.60 | 0.00 | 0.53 | -6.09 | 148.25 | 55.76 | 267.60 | 0.8250 | -376.0 | -328.6 | |
| 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. | |