SDO HMI 2011-10-20 08:59:01 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 48.54 | 291.34 | 49.17 | 295.48 | 27.61 | 54.72 | 59.71 | 298.69 | 0.8741 | -767.2 | -153.3 | |
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back to the solar disc SDO HMI 2011-10-20 08:59:01 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 |
| 4.79 | 282.72 | 4.94 | 287.43 | 27.66 | 55.40 | 60.38 | 298.63 | 0.8792 | 262.3 | -143.8 | |
| 42.36 | -1.00 | 42.91 | -1.00 | 27.61 | 54.74 | 59.73 | 298.68 | 0.8743 | -918.6 | 999999 | |
| 0.00 | 1.48 | 0.00 | 1.43 | 27.33 | 52.86 | 57.85 | 298.71 | 0.8596 | -560.0 | -466.8 | |
| 1.39 | 2.70 | 1.32 | 2.56 | 27.08 | 52.28 | 57.26 | 298.53 | 0.8546 | -518.1 | -514.1 | |
| 0.00 | 0.96 | 0.00 | 0.92 | 28.00 | 52.78 | 57.77 | 299.48 | 0.8601 | -649.0 | -586.3 | |
| 0.00 | 0.78 | 0.00 | 0.72 | 27.63 | 51.06 | 56.04 | 299.42 | 0.8458 | -512.0 | -492.1 | |
| 0.00 | 0.78 | 0.00 | 0.72 | 27.77 | 50.98 | 55.97 | 299.60 | 0.8454 | -597.0 | -563.7 | |
| 0.00 | 1.92 | 0.00 | 1.70 | 27.87 | 49.27 | 54.26 | 300.10 | 0.8315 | -435.0 | -406.4 | |
| 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. | |