SDO HMI 2011-01-09 20:58:55 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 31.25 | 211.46 | 27.85 | 188.63 | 31.31 | 184.51 | 46.03 | 312.30 | 0.8335 | -799.3 | -234.3 | |
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back to the solar disc SDO HMI 2011-01-09 20:58:55 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 |
| 31.25 | 206.62 | 27.85 | 184.30 | 31.25 | 184.55 | 46.07 | 312.22 | 0.8335 | -896.5 | -236.2 | |
| 0.00 | 0.85 | 0.00 | 0.71 | 28.92 | 183.08 | 44.60 | 310.54 | 0.8109 | -429.0 | -358.6 | |
| 0.00 | 2.21 | 0.00 | 2.03 | 35.10 | 183.29 | 44.81 | 316.79 | 0.8443 | -567.0 | -411.1 | |
| 0.00 | 0.85 | 0.00 | 0.76 | 34.63 | 182.26 | 43.78 | 316.88 | 0.8352 | 307.0 | 251.6 | |
| 0.00 | 0.93 | 0.00 | 0.83 | 34.54 | 181.95 | 43.47 | 316.97 | 0.8326 | 196.0 | 219.0 | |
| 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. | |