SDO HMI 2014-01-13 04:00:24 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 3.91 | 11.32 | 2.03 | 5.87 | -13.53 | 44.65 | 15.39 | 237.89 | 0.3059 | -394.5 | -444.4 | |
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back to the solar disc SDO HMI 2014-01-13 04:00:24 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 | 1.79 | 0.00 | 0.94 | -15.02 | 46.98 | 17.73 | 237.36 | 0.3509 | 916.0 | 685.3 | |
| 1.36 | 4.00 | 0.71 | 2.07 | -13.15 | 44.38 | 15.12 | 238.54 | 0.2991 | -942.6 | -733.6 | |
| 2.55 | 5.53 | 1.32 | 2.86 | -13.31 | 44.07 | 14.82 | 237.60 | 0.2961 | -1092.4 | -879.1 | |
| 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. | |