SDO HMI 2013-08-16 07:59:08 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 23.07 | 129.16 | 29.41 | 165.75 | -7.09 | 139.49 | -65.89 | 100.62 | 0.9232 | 568.2 | 70.6 | |
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back to the solar disc SDO HMI 2013-08-16 07:59:08 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 |
| 20.46 | 128.53 | 26.04 | 164.83 | -7.08 | 139.54 | -65.84 | 100.62 | 0.9229 | 677.9 | 70.1 | |
| 2.61 | -1.00 | 3.37 | -1.00 | -7.20 | 139.28 | -66.11 | 100.70 | 0.9248 | -149.7 | 999999 | |
| 0.00 | 0.63 | 0.00 | 0.92 | -6.59 | 136.38 | -69.01 | 99.52 | 0.9419 | 131.0 | 135.9 | |
| 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. | |