SDO HMI 2014-08-20 00:00:38 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 |
| 35.36 | 222.32 | 17.94 | 112.73 | 16.04 | 27.09 | 7.75 | 322.55 | 0.2131 | -236.9 | -203.9 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-08-20 00:00:38 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 |
| 31.31 | 171.83 | 15.90 | 87.31 | 15.85 | 28.62 | 9.28 | 315.48 | 0.2223 | -1311.2 | -389.8 | |
| 0.00 | 0.99 | 0.00 | 0.50 | 15.81 | 27.79 | 8.45 | 317.95 | 0.2120 | -237.0 | -212.0 | |
| 0.63 | 1.98 | 0.32 | 1.00 | 16.53 | 26.96 | 7.62 | 323.04 | 0.2124 | -1119.7 | -966.9 | |
| 0.00 | 3.96 | 0.00 | 2.00 | 15.77 | 26.33 | 6.99 | 323.07 | 0.1957 | -847.0 | -664.1 | |
| 0.00 | 5.67 | 0.00 | 2.86 | 16.84 | 24.93 | 5.59 | 331.78 | 0.1981 | -918.0 | -827.1 | |
| 0.00 | 2.43 | 0.00 | 1.23 | 18.13 | 21.61 | 2.27 | 349.09 | 0.2000 | 898.0 | 754.2 | |
| 0.00 | 2.52 | 0.00 | 1.26 | 15.51 | 21.45 | 2.11 | 346.72 | 0.1554 | 855.0 | 656.4 | |
| 0.00 | 1.62 | 0.00 | 0.81 | 16.31 | 21.40 | 2.06 | 348.14 | 0.1686 | 839.0 | 663.4 | |
| 0.00 | 2.88 | 0.00 | 1.44 | 15.27 | 21.11 | 1.76 | 348.52 | 0.1500 | 941.0 | 725.4 | |
| 0.00 | 0.72 | 0.00 | 0.36 | 16.16 | 21.08 | 1.74 | 349.76 | 0.1650 | 930.0 | 811.9 | |
| 0.00 | 0.90 | 0.00 | 0.45 | 16.35 | 21.02 | 1.68 | 350.31 | 0.1680 | 965.0 | 779.5 | |
| 0.00 | 3.96 | 0.00 | 1.99 | 16.75 | 20.84 | 1.49 | 351.73 | 0.1743 | 1013.0 | 765.4 | |
| 0.00 | 1.71 | 0.00 | 0.86 | 17.27 | 20.65 | 1.31 | 353.12 | 0.1828 | 1005.0 | 835.0 | |
| 0.00 | 1.53 | 0.00 | 0.77 | 16.96 | 20.65 | 1.31 | 352.92 | 0.1776 | 780.0 | 657.5 | |
| 0.00 | 1.89 | 0.00 | 0.95 | 17.06 | 20.46 | 1.12 | 353.99 | 0.1788 | 992.0 | 772.3 | |
| 0.00 | 1.98 | 0.00 | 1.00 | 17.21 | 20.36 | 1.02 | 354.58 | 0.1813 | 897.0 | 698.1 | |
| 0.00 | 2.70 | 0.00 | 1.37 | 18.88 | 20.09 | 0.75 | 356.62 | 0.2096 | 888.0 | 769.3 | |
| 3.06 | 8.82 | 1.54 | 4.43 | 16.20 | 19.85 | 0.51 | 356.98 | 0.1632 | 1124.6 | 845.0 | |
| 0.00 | 1.44 | 0.00 | 0.73 | 17.77 | 19.83 | 0.48 | 357.56 | 0.1902 | 859.0 | 608.4 | |
| 0.00 | 0.99 | 0.00 | 0.50 | 18.36 | 19.44 | 0.10 | 359.51 | 0.2002 | 775.0 | 610.8 | |
| 0.36 | 1.80 | 0.18 | 0.91 | 17.12 | 19.13 | -0.22 | 1.16 | 0.1789 | 1024.0 | 767.6 | |
| 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. | |