SDO HMI 2011-10-23 19:59:00 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 | 19.56 | 0.00 | 10.98 | 24.01 | 330.70 | 21.30 | 314.86 | 0.4728 | -632.6 | -423.8 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-10-23 19:59:00 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 | 1.39 | 0.00 | 0.80 | 20.77 | 336.81 | 27.41 | 302.84 | 0.5143 | -724.0 | -581.2 | |
| 0.00 | 1.56 | 0.00 | 0.90 | 22.33 | 335.97 | 26.57 | 306.24 | 0.5151 | -880.0 | -696.3 | |
| 0.00 | 1.13 | 0.00 | 0.63 | 21.42 | 332.47 | 23.07 | 308.10 | 0.4655 | -674.0 | -630.7 | |
| 0.00 | 1.39 | 0.00 | 0.79 | 24.96 | 332.20 | 22.80 | 314.43 | 0.4940 | -639.0 | -596.3 | |
| 0.00 | 1.22 | 0.00 | 0.68 | 23.04 | 331.77 | 22.37 | 311.75 | 0.4714 | -719.0 | -645.2 | |
| 0.00 | 0.78 | 0.00 | 0.44 | 22.12 | 331.30 | 21.90 | 310.68 | 0.4575 | -745.0 | -596.7 | |
| 0.00 | 1.65 | 0.00 | 0.92 | 22.43 | 331.28 | 21.88 | 311.26 | 0.4602 | -1023.0 | -901.4 | |
| 0.00 | 1.30 | 0.00 | 0.73 | 22.78 | 331.24 | 21.84 | 311.92 | 0.4628 | -652.0 | -487.1 | |
| 0.00 | 2.35 | 0.00 | 1.30 | 23.32 | 330.07 | 20.67 | 314.29 | 0.4548 | -827.0 | -646.6 | |
| 0.00 | 0.87 | 0.00 | 0.49 | 24.71 | 329.89 | 20.49 | 316.84 | 0.4668 | -816.0 | -744.1 | |
| 0.00 | 1.22 | 0.00 | 0.68 | 24.31 | 329.58 | 20.18 | 316.60 | 0.4594 | -677.0 | -529.8 | |
| 0.00 | 1.22 | 0.00 | 0.68 | 25.23 | 329.70 | 20.30 | 317.91 | 0.4702 | -607.0 | -504.9 | |
| 0.00 | 3.48 | 0.00 | 1.94 | 28.34 | 324.94 | 15.54 | 329.22 | 0.4627 | 759.0 | 568.0 | |
| 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. | |