SDO HMI 2014-07-21 18:00:40 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 |
| 33.55 | 170.39 | 20.08 | 102.03 | -21.06 | 68.57 | 22.42 | 219.42 | 0.5625 | 288.2 | 140.2 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-07-21 18:00:40 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 |
| 21.85 | 120.51 | 13.16 | 72.63 | -20.90 | 69.63 | 23.48 | 220.96 | 0.5701 | 1154.3 | 309.4 | |
| 2.54 | -1.00 | 1.53 | -1.00 | -21.09 | 69.41 | 23.27 | 220.46 | 0.5701 | 865.6 | 999999 | |
| 0.00 | 2.54 | 0.00 | 1.52 | -20.67 | 68.88 | 22.74 | 220.35 | 0.5607 | 841.0 | 704.6 | |
| 0.00 | 0.73 | 0.00 | 0.43 | -20.46 | 68.78 | 22.64 | 220.48 | 0.5576 | 800.0 | 689.8 | |
| 0.45 | 1.90 | 0.27 | 1.13 | -20.19 | 68.63 | 22.49 | 220.64 | 0.5533 | 866.4 | 653.9 | |
| 0.82 | 6.17 | 0.49 | 3.69 | -20.97 | 68.71 | 22.57 | 219.78 | 0.5623 | 863.6 | 582.2 | |
| 0.00 | 1.45 | 0.00 | 0.86 | -19.77 | 68.25 | 22.11 | 220.70 | 0.5453 | 1014.0 | 684.3 | |
| 0.00 | 1.00 | 0.00 | 0.59 | -20.21 | 68.32 | 22.18 | 220.23 | 0.5506 | 763.0 | 658.0 | |
| 0.00 | 0.36 | 0.00 | 0.21 | -19.52 | 67.83 | 21.69 | 220.48 | 0.5387 | 567.0 | 593.0 | |
| 0.00 | 0.82 | 0.00 | 0.48 | -20.77 | 66.06 | 19.92 | 216.61 | 0.5363 | -673.0 | -573.6 | |
| 0.00 | 1.18 | 0.00 | 0.69 | -20.90 | 65.73 | 19.59 | 216.01 | 0.5348 | -820.0 | -624.5 | |
| 2.18 | 5.35 | 1.28 | 3.14 | -21.40 | 65.45 | 19.31 | 215.05 | 0.5382 | -917.4 | -682.3 | |
| 0.00 | 1.18 | 0.00 | 0.69 | -21.16 | 65.35 | 19.21 | 215.19 | 0.5345 | -962.0 | -836.6 | |
| 0.00 | 0.45 | 0.00 | 0.27 | -22.01 | 65.47 | 19.33 | 214.38 | 0.5455 | -452.0 | -545.6 | |
| 0.00 | 2.63 | 0.00 | 1.55 | -22.10 | 65.13 | 18.99 | 213.82 | 0.5438 | -604.0 | -534.0 | |
| 0.00 | 1.99 | 0.00 | 1.17 | -21.48 | 64.84 | 18.70 | 214.11 | 0.5341 | -870.0 | -639.4 | |
| 5.71 | 16.32 | 3.35 | 9.58 | -21.82 | 64.85 | 18.71 | 213.74 | 0.5382 | -1088.4 | -786.1 | |
| 0.00 | 2.09 | 0.00 | 1.22 | -22.02 | 64.57 | 18.42 | 213.13 | 0.5382 | -797.0 | -666.7 | |
| 0.00 | 1.00 | 0.00 | 0.59 | -22.15 | 64.27 | 18.13 | 212.58 | 0.5374 | -854.0 | -690.1 | |
| 0.00 | 1.63 | 0.00 | 0.95 | -22.00 | 64.08 | 17.94 | 212.46 | 0.5342 | -883.0 | -723.1 | |
| 0.00 | 1.09 | 0.00 | 0.64 | -23.02 | 63.59 | 17.45 | 210.69 | 0.5428 | -465.0 | -408.4 | |
| 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. | |