SDO HMI 2011-01-01 15:58:55 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 38.13 | 241.59 | 41.76 | 266.59 | 31.21 | 190.74 | -55.86 | 52.50 | 0.8941 | -639.2 | -153.8 | |
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back to the solar disc SDO HMI 2011-01-01 15:58:55 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 |
| 34.48 | 239.22 | 37.69 | 263.65 | 31.20 | 190.84 | -55.76 | 52.48 | 0.8934 | -768.2 | -155.7 | |
| 1.36 | -1.00 | 1.51 | -1.00 | 31.43 | 190.45 | -56.15 | 52.39 | 0.8965 | 119.6 | 999999 | |
| 2.29 | -1.00 | 2.56 | -1.00 | 31.23 | 190.13 | -56.47 | 52.70 | 0.8979 | 65.4 | 999999 | |
| 0.00 | 0.93 | 0.00 | 1.15 | 32.19 | 187.20 | -59.39 | 52.70 | 0.9174 | -268.0 | -226.5 | |
| 0.00 | 0.68 | 0.00 | 0.85 | 31.42 | 186.22 | -60.38 | 53.79 | 0.9211 | 108.0 | 92.6 | |
| 0.00 | 0.76 | 0.00 | 0.94 | 30.84 | 186.63 | -59.97 | 54.27 | 0.9175 | 158.0 | 163.7 | |
| 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. | |