SDO HMI 2011-12-18 00:58:55 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 8.34 | 25.61 | 7.65 | 23.35 | 8.25 | 358.08 | 56.43 | 280.66 | 0.8410 | -473.0 | -306.2 | |
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back to the solar disc SDO HMI 2011-12-18 00:58:55 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 |
| 0.51 | 24.07 | 0.47 | 22.13 | 8.12 | 358.67 | 57.02 | 280.42 | 0.8465 | -333.8 | -368.0 | |
| 0.60 | -1.00 | 0.55 | -1.00 | 8.24 | 358.64 | 56.99 | 280.57 | 0.8464 | -284.9 | 999999 | |
| 7.23 | -1.00 | 6.63 | -1.00 | 8.32 | 358.33 | 56.68 | 280.71 | 0.8436 | -817.3 | 999999 | |
| 0.00 | 0.60 | 0.00 | 0.49 | 8.51 | 353.78 | 52.13 | 281.65 | 0.7994 | 465.0 | 412.4 | |
| 0.00 | 0.94 | 0.00 | 0.73 | 6.74 | 351.49 | 49.84 | 279.80 | 0.7725 | 564.0 | 441.5 | |
| 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. | |