SDO HMI 2011-02-27 22:58:58 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 8.18 | 19.30 | 5.42 | 12.95 | 17.69 | 177.51 | -34.65 | 53.56 | 0.6754 | -494.8 | -284.2 | |
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back to the solar disc SDO HMI 2011-02-27 22:58:58 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 | 1.12 | 0.00 | 0.73 | 16.46 | 179.14 | -33.02 | 53.85 | 0.6496 | 616.0 | 546.2 | |
| 0.00 | 1.12 | 0.00 | 0.73 | 16.24 | 179.03 | -33.13 | 54.21 | 0.6492 | 522.0 | 444.8 | |
| 8.18 | 10.77 | 5.42 | 7.14 | 17.40 | 178.20 | -33.96 | 53.40 | 0.6663 | -845.2 | -532.7 | |
| 0.00 | 0.52 | 0.00 | 0.35 | 18.47 | 177.82 | -34.35 | 52.37 | 0.6780 | -632.0 | -592.0 | |
| 0.00 | 2.58 | 0.00 | 1.79 | 19.81 | 176.60 | -35.56 | 51.69 | 0.6996 | -565.0 | -460.8 | |
| 0.00 | 1.12 | 0.00 | 0.77 | 17.53 | 175.65 | -36.51 | 55.16 | 0.6936 | -567.0 | -416.1 | |
| 0.00 | 1.12 | 0.00 | 0.78 | 17.81 | 174.61 | -37.56 | 55.55 | 0.7061 | -434.0 | -379.2 | |
| 0.00 | 0.95 | 0.00 | 0.66 | 17.65 | 174.49 | -37.68 | 55.82 | 0.7063 | -505.0 | -452.5 | |
| 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. | |