SDO HMI 2011-03-09 22:58:59 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 |
| 15.50 | 64.25 | 63.51 | 419.85 | 23.03 | 160.27 | 79.84 | 294.28 | 0.9941 | 142.5 | 43.6 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-03-09 22:58:59 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 | 5.45 | 0.00 | 31.25 | 21.76 | 162.05 | 81.62 | 292.73 | 0.9966 | 162.0 | 57.7 | |
| 0.00 | 1.56 | 0.00 | 7.53 | 22.13 | 161.09 | 80.67 | 293.25 | 0.9953 | 130.0 | 79.5 | |
| 0.69 | 32.47 | 3.47 | 267.18 | 22.64 | 160.98 | 80.56 | 293.77 | 0.9953 | -45.6 | 33.3 | |
| 7.45 | -3.00 | 31.34 | -3.00 | 22.61 | 159.94 | 79.51 | 293.92 | 0.9935 | 258.2 | 999999 | |
| 0.00 | 4.85 | 0.00 | 35.35 | 24.35 | 162.94 | 82.52 | 295.15 | 0.9981 | -64.0 | -64.6 | |
| 0.00 | 1.04 | 0.00 | 4.34 | 23.42 | 159.85 | 79.42 | 294.74 | 0.9937 | 159.0 | 250.8 | |
| 0.95 | 17.84 | 3.64 | 70.09 | 24.05 | 159.03 | 78.60 | 295.50 | 0.9924 | 199.5 | 125.3 | |
| 1.04 | -7.00 | 4.18 | -7.00 | 24.38 | 159.28 | 78.86 | 295.79 | 0.9930 | -227.6 | 999999 | |
| 1.73 | -7.00 | 7.01 | -7.00 | 24.64 | 159.20 | 78.77 | 296.06 | 0.9930 | -279.0 | 999999 | |
| 3.64 | -7.00 | 13.87 | -7.00 | 24.50 | 158.87 | 78.44 | 295.97 | 0.9923 | 235.8 | 999999 | |
| 0.00 | 1.04 | 0.00 | 4.11 | 25.64 | 158.85 | 78.43 | 297.11 | 0.9927 | 350.0 | 343.0 | |
| 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. | |