SDO HMI 2014-03-31 22:00:32 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 9.91 | 40.69 | 21.77 | 85.49 | -8.28 | 7.93 | -77.11 | 96.97 | 0.9712 | 137.7 | 163.4 | |
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back to the solar disc SDO HMI 2014-03-31 22:00:32 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 |
| 1.84 | 31.04 | 3.20 | 55.58 | -8.44 | 10.93 | -74.11 | 96.89 | 0.9596 | 556.3 | 316.9 | |
| 3.16 | -1.00 | 5.65 | -1.00 | -8.63 | 10.37 | -74.67 | 97.12 | 0.9622 | 520.9 | 999999 | |
| 1.84 | -1.00 | 3.41 | -1.00 | -8.54 | 9.82 | -75.22 | 97.07 | 0.9647 | 58.9 | 999999 | |
| 3.07 | 9.65 | 9.51 | 29.91 | -7.76 | 3.42 | -81.62 | 96.84 | 0.9880 | -202.5 | -162.7 | |
| 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. | |