SDO HMI 2011-12-18 23:58:55 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 12.43 | 0.00 | 7.64 | -19.51 | 321.04 | 32.02 | 237.65 | 0.5946 | -471.9 | -355.2 | |
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back to the solar disc SDO HMI 2011-12-18 23:58:55 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 | 1.87 | 0.00 | 1.18 | -16.53 | 324.50 | 35.48 | 244.44 | 0.6191 | 711.0 | 588.3 | |
| 0.00 | 1.36 | 0.00 | 0.85 | -17.75 | 322.96 | 33.93 | 241.71 | 0.6061 | -593.0 | -504.4 | |
| 0.00 | 0.51 | 0.00 | 0.32 | -17.02 | 322.80 | 33.78 | 242.75 | 0.6003 | -557.0 | -472.5 | |
| 0.00 | 1.45 | 0.00 | 0.89 | -18.22 | 322.28 | 33.25 | 240.56 | 0.6003 | -526.0 | -304.4 | |
| 0.00 | 0.94 | 0.00 | 0.58 | -20.30 | 322.23 | 33.21 | 237.40 | 0.6119 | -655.0 | -567.5 | |
| 0.00 | 0.60 | 0.00 | 0.37 | -18.35 | 321.64 | 32.61 | 239.95 | 0.5932 | -707.0 | -607.1 | |
| 0.00 | 3.32 | 0.00 | 2.02 | -21.47 | 319.38 | 30.36 | 233.59 | 0.5867 | -752.0 | -654.2 | |
| 0.00 | 2.38 | 0.00 | 1.43 | -21.58 | 317.59 | 28.56 | 231.91 | 0.5671 | -696.0 | -475.1 | |
| 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. | |