SDO HMI 2014-10-29 04:00:29 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!)
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 16.31 | 35.21 | 8.35 | 18.05 | -3.25 | 160.61 | -12.56 | 122.09 | 0.2579 | 992.7 | 583.1 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-10-29 04:00:29 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 |
| 16.31 | 26.55 | 8.35 | 13.59 | -3.49 | 161.10 | -12.07 | 123.92 | 0.2526 | 1221.2 | 636.9 | |
| 0.00 | 1.21 | 0.00 | 0.62 | -1.37 | 160.42 | -12.75 | 115.12 | 0.2448 | 1117.0 | 883.0 | |
| 0.00 | 1.30 | 0.00 | 0.66 | -1.19 | 160.36 | -12.81 | 114.35 | 0.2444 | 900.0 | 650.9 | |
| 0.00 | 1.47 | 0.00 | 0.75 | 0.81 | 160.09 | -13.08 | 106.14 | 0.2366 | 733.0 | 557.1 | |
| 0.00 | 2.08 | 0.00 | 1.08 | -4.60 | 159.40 | -13.77 | 123.82 | 0.2870 | 1008.0 | 832.8 | |
| 0.00 | 1.13 | 0.00 | 0.58 | -4.55 | 159.15 | -14.02 | 123.19 | 0.2899 | 867.0 | 667.5 | |
| 0.00 | 1.47 | 0.00 | 0.77 | -3.30 | 155.70 | -17.47 | 114.26 | 0.3302 | -577.0 | -466.1 | |
| 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. | |