SDO HMI 2011-12-08 21:58:56 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 8.52 | 45.50 | 10.74 | 58.86 | 8.64 | 354.78 | -67.11 | 80.60 | 0.9246 | -400.6 | -104.6 | |
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back to the solar disc SDO HMI 2011-12-08 21:58:56 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 |
| 7.75 | 36.30 | 9.71 | 45.60 | 8.75 | 355.52 | -66.37 | 80.44 | 0.9200 | -617.3 | -197.9 | |
| 0.77 | 1.70 | 1.03 | 2.29 | 8.81 | 353.77 | -68.12 | 80.49 | 0.9314 | -88.4 | 6.3 | |
| 0.00 | 2.56 | 0.00 | 3.47 | 8.33 | 353.55 | -68.34 | 81.02 | 0.9326 | -397.0 | -209.9 | |
| 0.00 | 1.28 | 0.00 | 1.94 | 8.34 | 351.12 | -70.77 | 81.16 | 0.9469 | 566.0 | 504.9 | |
| 0.00 | 3.66 | 0.00 | 5.56 | 8.01 | 351.16 | -70.72 | 81.50 | 0.9466 | 411.0 | 325.4 | |
| 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. | |