SDO HMI 2011-08-11 07:59:10 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 4.96 | 0.00 | 3.70 | -16.87 | 242.47 | 42.66 | 240.41 | 0.7485 | -234.5 | -53.8 | |
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back to the solar disc SDO HMI 2011-08-11 07:59:10 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 | 1.90 | 0.00 | 1.45 | -14.06 | 245.31 | 45.50 | 245.35 | 0.7635 | 732.0 | 609.5 | |
| 0.00 | 0.81 | 0.00 | 0.60 | -18.62 | 241.02 | 41.21 | 237.54 | 0.7422 | -499.0 | -410.2 | |
| 0.00 | 1.08 | 0.00 | 0.80 | -18.77 | 240.81 | 41.00 | 237.23 | 0.7410 | -533.0 | -441.8 | |
| 0.00 | 1.17 | 0.00 | 0.85 | -18.66 | 240.23 | 40.41 | 237.01 | 0.7346 | -638.0 | -567.1 | |
| 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. | |