SDO HMI 2011-08-21 04:59:09 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 10.62 | 36.35 | 13.25 | 45.75 | 19.09 | 1.68 | -67.59 | 72.14 | 0.9195 | -488.1 | -26.0 | |
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back to the solar disc SDO HMI 2011-08-21 04:59:09 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 |
| 2.97 | 9.18 | 3.60 | 11.11 | 19.17 | 2.49 | -66.78 | 72.05 | 0.9142 | -628.5 | -552.4 | |
| 0.00 | 0.63 | 0.00 | 0.79 | 19.81 | 1.69 | -67.59 | 71.36 | 0.9195 | -209.0 | -215.0 | |
| 7.65 | 26.54 | 9.65 | 33.85 | 19.05 | 1.41 | -67.86 | 72.19 | 0.9213 | -464.7 | 143.6 | |
| 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. | |