SDO HMI 2011-08-30 18:59:08 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!)
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 14.77 | 35.18 | 7.69 | 18.33 | 24.67 | 299.51 | -3.14 | 9.01 | 0.3084 | -304.1 | -115.9 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-08-30 18:59:08 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 | 0.81 | 0.00 | 0.42 | 24.82 | 304.55 | 1.90 | 354.34 | 0.3062 | 719.0 | 607.8 | |
| 0.00 | 2.06 | 0.00 | 1.05 | 21.33 | 303.52 | 0.87 | 356.68 | 0.2463 | -853.0 | -624.1 | |
| 7.34 | 10.65 | 3.82 | 5.54 | 24.69 | 300.78 | -1.87 | 5.61 | 0.3041 | -1024.9 | -843.2 | |
| 7.43 | 8.86 | 3.87 | 4.61 | 24.88 | 300.25 | -2.40 | 7.13 | 0.3082 | -938.7 | -809.5 | |
| 0.00 | 2.60 | 0.00 | 1.35 | 24.23 | 298.70 | -3.95 | 12.08 | 0.3019 | -569.0 | -591.6 | |
| 0.00 | 1.88 | 0.00 | 0.98 | 24.14 | 298.37 | -4.28 | 13.13 | 0.3015 | -838.0 | -609.1 | |
| 0.00 | 1.16 | 0.00 | 0.61 | 25.30 | 297.22 | -5.43 | 15.35 | 0.3248 | 908.0 | 817.9 | |
| 0.00 | 1.25 | 0.00 | 0.66 | 25.49 | 297.11 | -5.54 | 15.47 | 0.3283 | 996.0 | 867.4 | |
| 0.00 | 2.06 | 0.00 | 1.08 | 25.14 | 296.86 | -5.79 | 16.47 | 0.3238 | 705.0 | 615.2 | |
| 0.00 | 1.61 | 0.00 | 0.85 | 25.48 | 296.33 | -6.32 | 17.50 | 0.3317 | 907.0 | 685.5 | |
| 0.00 | 0.81 | 0.00 | 0.42 | 25.85 | 295.54 | -7.11 | 19.13 | 0.3416 | -647.0 | -529.9 | |
| 0.00 | 1.43 | 0.00 | 0.76 | 25.82 | 293.84 | -8.81 | 23.22 | 0.3512 | 840.0 | 700.6 | |
| 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. | |