SDO HMI 2011-08-12 08:59:10 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 2.44 | 12.00 | 1.49 | 7.43 | 15.75 | 222.36 | 36.32 | 287.57 | 0.6010 | -498.7 | -401.2 | |
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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 | 1.17 | 0.00 | 0.77 | 21.92 | 225.71 | 39.66 | 296.12 | 0.6618 | -551.0 | -354.8 | |
| 0.00 | 1.44 | 0.00 | 0.91 | 17.92 | 223.75 | 37.71 | 290.78 | 0.6247 | -679.0 | -506.9 | |
| 2.44 | 6.32 | 1.49 | 3.87 | 14.20 | 221.84 | 35.80 | 285.29 | 0.5900 | -844.1 | -694.7 | |
| 0.00 | 1.35 | 0.00 | 0.85 | 18.15 | 222.61 | 36.56 | 291.54 | 0.6108 | -767.0 | -566.4 | |
| 0.00 | 1.72 | 0.00 | 1.03 | 13.03 | 220.38 | 34.33 | 283.63 | 0.5676 | 517.0 | 470.1 | |
| 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. | |