| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 45.90 | 230.85 | 22.90 | 115.22 | 13.88 | 291.56 | 1.57 | 347.02 | 0.1213 | -540.2 | -363.1 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-08-31 17:59:08 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 | 2.51 | 0.00 | 1.27 | 18.66 | 293.60 | 3.61 | 343.35 | 0.2090 | 908.0 | 720.7 | |
| 0.00 | 0.98 | 0.00 | 0.50 | 18.19 | 293.46 | 3.47 | 343.28 | 0.2007 | 853.0 | 669.5 | |
| 0.00 | 1.52 | 0.00 | 0.77 | 18.04 | 293.33 | 3.34 | 343.65 | 0.1976 | 951.0 | 792.2 | |
| 0.00 | 1.25 | 0.00 | 0.64 | 21.08 | 292.42 | 2.43 | 350.66 | 0.2448 | 783.0 | 619.3 | |
| 6.53 | 213.15 | 3.26 | 106.32 | 14.22 | 291.89 | 1.90 | 345.33 | 0.1275 | -1163.1 | -477.6 | |
| 39.37 | -5.00 | 19.64 | -5.00 | 13.61 | 291.67 | 1.68 | 345.77 | 0.1163 | -1317.7 | 999999 | |
| 0.00 | 1.07 | 0.00 | 0.54 | 15.32 | 290.62 | 0.62 | 355.76 | 0.1428 | 790.0 | 580.7 | |
| 0.00 | 1.61 | 0.00 | 0.80 | 11.67 | 290.18 | 0.18 | 357.72 | 0.0788 | 818.0 | 559.6 | |
| 0.00 | 1.25 | 0.00 | 0.62 | 11.22 | 289.19 | -0.80 | 11.05 | 0.0722 | 981.0 | 645.2 | |
| 0.00 | 1.34 | 0.00 | 0.67 | 15.20 | 287.58 | -2.42 | 16.25 | 0.1461 | 1064.0 | 906.5 | |
| 0.00 | 1.34 | 0.00 | 0.67 | 15.07 | 287.36 | -2.63 | 17.89 | 0.1452 | 862.0 | 762.1 | |
| 0.00 | 1.34 | 0.00 | 0.67 | 14.16 | 287.31 | -2.69 | 20.48 | 0.1305 | 926.0 | 720.9 | |
| 0.00 | 1.61 | 0.00 | 0.81 | 16.48 | 286.80 | -3.19 | 18.25 | 0.1712 | 985.0 | 716.4 | |
| 0.00 | 1.88 | 0.00 | 0.94 | 16.50 | 286.61 | -3.38 | 19.20 | 0.1727 | 899.0 | 757.1 | |
| 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. | |