SDO HMI 2011-12-11 00:58:55 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 8.35 | 0.00 | 4.32 | 14.36 | 42.30 | 8.42 | 330.78 | 0.2918 | 855.5 | 703.3 | |
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next observation for the same group /
back to the solar disc SDO HMI 2011-12-11 00:58:55 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 | 2.56 | 0.00 | 1.35 | 16.87 | 43.81 | 9.93 | 330.83 | 0.3402 | 743.0 | 590.4 | |
| 0.00 | 0.94 | 0.00 | 0.48 | 12.86 | 42.22 | 8.34 | 328.23 | 0.2697 | 818.0 | 656.6 | |
| 0.00 | 3.15 | 0.00 | 1.62 | 13.50 | 41.53 | 7.65 | 331.55 | 0.2731 | 988.0 | 811.8 | |
| 0.00 | 1.70 | 0.00 | 0.87 | 12.89 | 41.45 | 7.57 | 330.68 | 0.2636 | 873.0 | 701.7 | |
| 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. | |