SDO HMI 2014-09-24 08:00:34 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 |
| 0.00 | 15.40 | 0.00 | 7.96 | 16.35 | 258.73 | -13.98 | 54.25 | 0.2866 | 764.9 | 707.6 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-09-24 08:00:34 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 | 1.86 | 0.00 | 0.96 | 16.87 | 259.91 | -12.81 | 50.56 | 0.2760 | 715.0 | 625.0 | |
| 0.00 | 2.12 | 0.00 | 1.09 | 16.50 | 259.64 | -13.08 | 52.20 | 0.2758 | 756.0 | 652.7 | |
| 0.00 | 4.07 | 0.00 | 2.09 | 15.64 | 259.66 | -13.05 | 54.77 | 0.2674 | 860.0 | 909.6 | |
| 0.00 | 1.42 | 0.00 | 0.73 | 15.51 | 259.13 | -13.59 | 56.22 | 0.2736 | 904.0 | 701.1 | |
| 0.00 | 2.57 | 0.00 | 1.33 | 16.51 | 258.93 | -13.79 | 53.54 | 0.2853 | 795.0 | 658.0 | |
| 0.00 | 1.68 | 0.00 | 0.87 | 16.38 | 257.64 | -15.07 | 56.16 | 0.3017 | 501.0 | 511.3 | |
| 0.00 | 1.68 | 0.00 | 0.89 | 17.69 | 254.64 | -18.08 | 57.07 | 0.3538 | 823.0 | 661.1 | |
| 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. | |