SDO HMI 2011-07-23 12:59:11 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 1.63 | 5.17 | 1.09 | 3.43 | 5.81 | 46.46 | -41.89 | 86.95 | 0.6673 | -346.7 | -307.5 | |
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back to the solar disc SDO HMI 2011-07-23 12:59:11 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 |
| 0.00 | 1.00 | 0.00 | 0.65 | 5.46 | 47.40 | -40.95 | 87.51 | 0.6553 | -540.0 | -444.9 | |
| 0.00 | 0.91 | 0.00 | 0.59 | 5.28 | 47.41 | -40.94 | 87.79 | 0.6552 | -507.0 | -437.9 | |
| 0.00 | 0.82 | 0.00 | 0.54 | 6.55 | 46.68 | -41.67 | 85.83 | 0.6645 | -670.0 | -539.0 | |
| 1.63 | 1.81 | 1.09 | 1.21 | 5.94 | 46.20 | -42.14 | 86.74 | 0.6707 | -416.2 | -419.0 | |
| 0.00 | 0.63 | 0.00 | 0.44 | 5.76 | 44.24 | -44.10 | 86.95 | 0.6957 | 406.0 | 392.0 | |
| 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. | |