SDO HMI 2011-10-13 23:59:02 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 22.90 | 130.00 | 18.28 | 103.96 | -26.62 | 37.69 | -41.40 | 131.10 | 0.7868 | 1000.3 | 295.7 | |
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back to the solar disc SDO HMI 2011-10-13 23:59:02 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 |
| 22.90 | 127.90 | 18.28 | 102.16 | -26.64 | 37.77 | -41.32 | 131.17 | 0.7862 | 1052.7 | 293.1 | |
| 0.00 | 0.79 | 0.00 | 0.70 | -27.53 | 32.21 | -46.88 | 128.94 | 0.8343 | 433.0 | 369.8 | |
| 0.00 | 1.31 | 0.00 | 1.10 | -24.23 | 33.50 | -45.59 | 126.09 | 0.8083 | 609.0 | 450.2 | |
| 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. | |