SDO HMI 2011-08-16 13:59:09 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 4.05 | 40.26 | 8.52 | 94.09 | -20.79 | 56.59 | -73.83 | 113.11 | 0.9763 | 175.6 | -67.5 | |
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back to the solar disc SDO HMI 2011-08-16 13:59:09 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 |
| 0.99 | 35.31 | 2.07 | 76.22 | -20.96 | 57.91 | -72.50 | 113.54 | 0.9725 | 414.7 | -31.7 | |
| 2.25 | -1.00 | 4.72 | -1.00 | -20.61 | 57.79 | -72.62 | 113.16 | 0.9726 | 276.8 | 999999 | |
| 0.81 | -1.00 | 1.73 | -1.00 | -20.64 | 57.53 | -72.88 | 113.13 | 0.9736 | -105.6 | 999999 | |
| 0.00 | 4.95 | 0.00 | 17.87 | -21.17 | 51.55 | -78.87 | 112.53 | 0.9912 | -310.0 | -203.2 | |
| 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. | |