SDO HMI 2013-01-07 21:58:54 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 |
| 45.43 | 275.83 | 24.81 | 150.56 | -24.44 | 250.16 | 14.20 | 212.15 | 0.4209 | 846.9 | 353.1 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2013-01-07 21:58:54 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 |
| 45.43 | 264.37 | 24.81 | 144.45 | -24.47 | 250.43 | 14.47 | 212.67 | 0.4231 | 1377.2 | 390.6 | |
| 0.00 | 2.21 | 0.00 | 1.20 | -24.94 | 247.92 | 11.95 | 207.43 | 0.4094 | 1007.0 | 814.3 | |
| 0.00 | 0.85 | 0.00 | 0.46 | -23.98 | 246.48 | 10.51 | 205.74 | 0.3856 | -698.0 | -528.4 | |
| 0.00 | 1.27 | 0.00 | 0.70 | -28.07 | 245.39 | 9.43 | 199.35 | 0.4382 | -839.0 | -611.8 | |
| 0.00 | 1.53 | 0.00 | 0.81 | -22.97 | 244.52 | 8.55 | 202.61 | 0.3577 | -1033.0 | -867.3 | |
| 0.00 | 1.19 | 0.00 | 0.62 | -22.08 | 242.70 | 6.73 | 199.09 | 0.3336 | -742.0 | -546.1 | |
| 0.00 | 0.93 | 0.00 | 0.50 | -26.24 | 241.46 | 5.50 | 192.69 | 0.3930 | -745.0 | -634.0 | |
| 0.00 | 1.19 | 0.00 | 0.62 | -21.62 | 240.89 | 4.93 | 194.62 | 0.3177 | -879.0 | -740.1 | |
| 0.00 | 1.02 | 0.00 | 0.53 | -21.90 | 240.81 | 4.84 | 194.14 | 0.3218 | -612.0 | -579.2 | |
| 0.00 | 1.27 | 0.00 | 0.67 | -21.68 | 240.64 | 4.67 | 193.85 | 0.3177 | -993.0 | -760.0 | |
| 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. | |