SDO HMI 2011-10-23 06:59:01 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 | 10.80 | 0.00 | 5.52 | 17.38 | 323.68 | 7.14 | 330.13 | 0.2477 | 892.6 | 655.4 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-10-23 06:59:01 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 | 0.96 | 0.00 | 0.49 | 13.30 | 326.08 | 9.54 | 311.27 | 0.2155 | 951.0 | 775.2 | |
| 0.00 | 1.31 | 0.00 | 0.66 | 13.91 | 325.64 | 9.10 | 314.72 | 0.2169 | 1100.0 | 735.0 | |
| 0.00 | 2.96 | 0.00 | 1.52 | 17.71 | 324.96 | 8.42 | 327.28 | 0.2591 | 754.0 | 542.4 | |
| 0.00 | 1.13 | 0.00 | 0.58 | 18.92 | 324.38 | 7.84 | 331.47 | 0.2713 | 855.0 | 621.5 | |
| 0.00 | 1.31 | 0.00 | 0.67 | 18.59 | 323.82 | 7.28 | 332.58 | 0.2621 | 1002.0 | 878.7 | |
| 0.00 | 1.04 | 0.00 | 0.53 | 16.86 | 322.31 | 5.77 | 334.52 | 0.2247 | 865.0 | 656.3 | |
| 0.00 | 0.87 | 0.00 | 0.45 | 19.72 | 320.47 | 3.93 | 345.56 | 0.2597 | 893.0 | 711.6 | |
| 0.00 | 1.22 | 0.00 | 0.62 | 19.45 | 319.29 | 2.75 | 349.57 | 0.2509 | 721.0 | 503.2 | |
| 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. | |