SDO HMI 2011-03-09 23:58:59 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 1.30 | 60.44 | 5.55 | 403.46 | 23.24 | 161.07 | 81.20 | 294.27 | 0.9963 | -76.1 | 85.6 | |
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back to the solar disc SDO HMI 2011-03-09 23:58:59 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 | 7.62 | 0.00 | 48.19 | 21.77 | 162.01 | 82.13 | 292.65 | 0.9972 | 201.0 | 79.3 | |
| 0.00 | 30.22 | 0.00 | 243.99 | 22.96 | 161.32 | 81.45 | 293.94 | 0.9966 | 27.0 | 89.3 | |
| 0.00 | 4.59 | 0.00 | 36.68 | 24.25 | 162.30 | 82.43 | 295.06 | 0.9980 | -13.0 | -55.0 | |
| 0.00 | 0.69 | 0.00 | 2.45 | 23.93 | 157.73 | 77.86 | 295.52 | 0.9909 | 216.0 | 226.2 | |
| 1.30 | 16.37 | 5.55 | 68.14 | 24.60 | 159.11 | 79.23 | 295.94 | 0.9938 | -280.3 | 139.8 | |
| 0.00 | 0.95 | 0.00 | 4.01 | 25.66 | 158.73 | 78.85 | 297.05 | 0.9935 | 322.0 | 296.6 | |
| Proj. U | - Projected umbra area in millionths of solar disc, negative values indicate | |
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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. |
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| Proj. WS | - Projected whole spot area in millionths of solar disc, negative values indicate | |
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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. |
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| 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. | |