SDO HMI 2011-08-29 21:59:08 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 16.12 | 37.70 | 8.70 | 20.42 | 25.19 | 297.89 | -16.31 | 38.89 | 0.4059 | -168.6 | 471.4 | |
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back to the solar disc SDO HMI 2011-08-29 21:59:08 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 |
| 8.60 | 11.82 | 4.62 | 6.35 | 24.88 | 299.38 | -14.82 | 36.97 | 0.3875 | -1014.9 | -776.3 | |
| 3.49 | 4.48 | 1.88 | 2.41 | 25.32 | 299.29 | -14.91 | 36.38 | 0.3937 | -793.5 | -698.5 | |
| 0.00 | 1.07 | 0.00 | 0.58 | 25.04 | 297.49 | -16.71 | 39.87 | 0.4082 | 733.0 | 553.8 | |
| 0.00 | 1.52 | 0.00 | 0.83 | 25.42 | 297.19 | -17.01 | 39.70 | 0.4154 | 907.0 | 660.8 | |
| 0.00 | 3.40 | 0.00 | 1.85 | 25.06 | 297.14 | -17.07 | 40.39 | 0.4120 | 876.0 | 787.1 | |
| 4.03 | 15.41 | 2.20 | 8.40 | 25.40 | 296.63 | -17.57 | 40.59 | 0.4209 | 768.9 | 792.9 | |
| 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. | |