SDO HMI 2014-04-23 19:13:20 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 |
| 52.66 | 370.44 | 30.98 | 217.58 | 17.84 | 166.49 | 23.54 | 314.98 | 0.5395 | -783.0 | -351.6 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-04-23 19:13:20 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 |
| 52.66 | 351.42 | 30.98 | 206.68 | 17.81 | 166.70 | 23.75 | 314.66 | 0.5413 | -1333.3 | -411.8 | |
| 0.00 | 4.53 | 0.00 | 2.60 | 17.95 | 163.10 | 20.15 | 319.47 | 0.5063 | 686.0 | 724.0 | |
| 0.00 | 1.07 | 0.00 | 0.61 | 18.14 | 162.95 | 20.00 | 319.93 | 0.5070 | 725.0 | 556.0 | |
| 0.00 | 0.98 | 0.00 | 0.56 | 18.57 | 162.83 | 19.89 | 320.65 | 0.5106 | 722.0 | 623.6 | |
| 0.00 | 1.95 | 0.00 | 1.13 | 19.10 | 162.90 | 19.95 | 321.24 | 0.5171 | 690.0 | 439.8 | |
| 0.00 | 1.51 | 0.00 | 0.86 | 17.91 | 162.72 | 19.77 | 319.93 | 0.5021 | 906.0 | 727.5 | |
| 0.00 | 2.04 | 0.00 | 1.18 | 18.76 | 162.72 | 19.77 | 321.06 | 0.5117 | 745.0 | 584.0 | |
| 0.00 | 2.31 | 0.00 | 1.34 | 20.00 | 162.30 | 19.36 | 323.21 | 0.5221 | 767.0 | 585.0 | |
| 0.00 | 1.69 | 0.00 | 0.97 | 19.07 | 161.98 | 19.03 | 322.50 | 0.5083 | 814.0 | 582.0 | |
| 0.00 | 1.07 | 0.00 | 0.60 | 17.51 | 161.44 | 18.49 | 321.26 | 0.4852 | 874.0 | 673.7 | |
| 0.00 | 0.89 | 0.00 | 0.50 | 17.15 | 161.27 | 18.32 | 321.02 | 0.4794 | 724.0 | 513.0 | |
| 0.00 | 0.98 | 0.00 | 0.55 | 17.03 | 160.56 | 17.61 | 321.95 | 0.4712 | 784.0 | 644.3 | |
| 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. | |