SDO HMI 2011-12-13 16:58:55 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 6.30 | 19.75 | 19.88 | 65.49 | -18.38 | 80.04 | 81.27 | 251.51 | 0.9896 | 457.8 | 264.4 | |
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back to the solar disc SDO HMI 2011-12-13 16:58:55 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 |
| 0.00 | 2.30 | 0.00 | 8.40 | -16.51 | 80.78 | 82.01 | 253.43 | 0.9913 | 112.0 | 101.7 | |
| 0.00 | 1.11 | 0.00 | 4.68 | -17.20 | 81.98 | 83.21 | 252.75 | 0.9937 | 376.0 | 341.0 | |
| 0.00 | 1.19 | 0.00 | 4.99 | -18.51 | 81.83 | 83.06 | 251.43 | 0.9935 | 217.0 | 196.7 | |
| 2.30 | 12.51 | 7.19 | 38.93 | -18.54 | 79.39 | 80.62 | 251.33 | 0.9881 | 324.8 | 391.4 | |
| 4.00 | -4.00 | 12.69 | -4.00 | -18.82 | 79.58 | 80.82 | 251.06 | 0.9887 | 645.5 | 999999 | |
| 0.00 | 1.79 | 0.00 | 6.09 | -19.31 | 80.08 | 81.32 | 250.57 | 0.9899 | 326.0 | 225.4 | |
| 0.00 | 0.85 | 0.00 | 2.40 | -19.11 | 78.30 | 79.53 | 250.70 | 0.9853 | -167.0 | -84.3 | |
| 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. | |