SDO HMI 2014-07-19 08:00:40 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 |
| 11.90 | 26.33 | 7.00 | 15.54 | 6.72 | 111.06 | 32.94 | 275.09 | 0.5443 | 671.4 | 545.3 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-07-19 08:00:40 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 | 0.82 | 0.00 | 0.50 | 6.72 | 113.56 | 35.44 | 274.96 | 0.5802 | -769.0 | -671.8 | |
| 0.00 | 2.09 | 0.00 | 1.24 | 6.37 | 111.37 | 33.25 | 274.41 | 0.5486 | 655.0 | 544.9 | |
| 0.00 | 1.27 | 0.00 | 0.75 | 6.22 | 111.21 | 33.09 | 274.15 | 0.5463 | 606.0 | 457.5 | |
| 0.00 | 1.91 | 0.00 | 1.13 | 6.68 | 111.14 | 33.02 | 275.00 | 0.5454 | 433.0 | 486.9 | |
| 4.09 | 6.35 | 2.41 | 3.75 | 6.50 | 111.05 | 32.93 | 274.68 | 0.5440 | 950.1 | 741.3 | |
| 2.36 | 13.89 | 1.39 | 8.17 | 6.87 | 110.97 | 32.85 | 275.37 | 0.5430 | 868.6 | 677.7 | |
| 4.27 | -6.00 | 2.51 | -6.00 | 7.00 | 110.80 | 32.68 | 275.62 | 0.5405 | 882.2 | 999999 | |
| 1.18 | -6.00 | 0.69 | -6.00 | 6.82 | 110.78 | 32.66 | 275.28 | 0.5402 | 1085.0 | 999999 | |
| 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. | |