SDO HMI 2011-02-27 21:58:58 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 6.63 | 20.08 | 4.42 | 13.51 | 17.63 | 177.65 | -35.07 | 53.97 | 0.6794 | -534.1 | -346.5 | |
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back to the solar disc SDO HMI 2011-02-27 21:58:58 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 | 1.03 | 0.00 | 0.68 | 16.25 | 179.03 | -33.69 | 54.65 | 0.6552 | 629.0 | 469.0 | |
| 0.00 | 1.21 | 0.00 | 0.80 | 17.29 | 178.48 | -34.24 | 53.76 | 0.6684 | -576.0 | -499.1 | |
| 6.63 | 11.11 | 4.42 | 7.41 | 17.41 | 178.19 | -34.53 | 53.83 | 0.6723 | -829.9 | -440.3 | |
| 0.00 | 2.33 | 0.00 | 1.62 | 19.79 | 176.61 | -36.10 | 52.13 | 0.7047 | -582.0 | -474.1 | |
| 0.00 | 2.50 | 0.00 | 1.69 | 17.04 | 176.67 | -36.05 | 55.44 | 0.6856 | -128.0 | -214.3 | |
| 0.00 | 1.21 | 0.00 | 0.83 | 18.16 | 176.05 | -36.66 | 54.50 | 0.6993 | -680.0 | -486.5 | |
| 0.00 | 0.69 | 0.00 | 0.48 | 17.54 | 175.70 | -37.02 | 55.51 | 0.6988 | -560.0 | -449.6 | |
| 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. | |