SDO HMI 2011-08-28 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 |
| 0.00 | 5.76 | 0.00 | 3.21 | 18.75 | 0.58 | 25.44 | 297.66 | 0.4611 | -727.2 | -604.6 | |
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back to the solar disc SDO HMI 2011-08-28 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 |
| 0.00 | 1.08 | 0.00 | 0.61 | 18.37 | 1.80 | 26.66 | 295.99 | 0.4757 | -764.0 | -577.0 | |
| 0.00 | 1.26 | 0.00 | 0.70 | 18.22 | 0.99 | 25.85 | 296.27 | 0.4638 | -653.0 | -611.6 | |
| 0.00 | 1.17 | 0.00 | 0.66 | 19.78 | 1.04 | 25.90 | 299.33 | 0.4734 | -620.0 | -519.3 | |
| 0.00 | 1.08 | 0.00 | 0.60 | 18.38 | 359.81 | 24.68 | 297.48 | 0.4485 | -814.0 | -649.9 | |
| 0.00 | 1.17 | 0.00 | 0.64 | 18.97 | 359.20 | 24.07 | 299.20 | 0.4436 | -785.0 | -667.8 | |
| 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. | |