SDO HMI 2011-12-02 06:58:56 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 4.52 | 0.00 | 2.37 | 17.46 | 156.38 | 7.18 | 337.60 | 0.3126 | -834.0 | -663.6 | |
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previous
observation for the same group /
back to the solar disc SDO HMI 2011-12-02 06:58:56 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 | 1.11 | 0.00 | 0.59 | 20.34 | 158.14 | 8.94 | 336.50 | 0.3670 | -828.0 | -656.4 | |
| 0.00 | 1.28 | 0.00 | 0.67 | 17.41 | 157.48 | 8.28 | 334.37 | 0.3193 | -808.0 | -604.6 | |
| 0.00 | 1.28 | 0.00 | 0.66 | 14.54 | 154.84 | 5.64 | 338.21 | 0.2576 | -909.0 | -793.0 | |
| 0.00 | 0.85 | 0.00 | 0.45 | 18.03 | 154.69 | 5.50 | 342.95 | 0.3120 | -791.0 | -570.8 | |
| 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. | |