SDO HMI 2011-02-13 22:58:57 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 15.84 | 23.37 | 8.76 | 12.92 | 19.57 | 34.51 | -2.03 | 4.30 | 0.4479 | -277.7 | -39.7 | |
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back to the solar disc SDO HMI 2011-02-13 22:58:57 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 |
| 13.27 | 17.55 | 7.34 | 9.71 | 19.70 | 35.65 | -0.89 | 1.87 | 0.4478 | -935.8 | -568.5 | |
| 0.00 | 1.03 | 0.00 | 0.56 | 18.50 | 31.56 | -4.97 | 10.91 | 0.4362 | 793.0 | 617.8 | |
| 2.57 | 2.74 | 1.42 | 1.51 | 19.03 | 31.14 | -5.40 | 11.56 | 0.4457 | 932.3 | 905.5 | |
| 0.00 | 1.37 | 0.00 | 0.76 | 19.63 | 30.74 | -5.80 | 12.09 | 0.4561 | 890.0 | 747.0 | |
| 0.00 | 0.68 | 0.00 | 0.38 | 19.97 | 30.57 | -5.97 | 12.27 | 0.4617 | 596.0 | 465.9 | |
| 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. | |