SDO HMI 2011-12-07 12:58:56 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 15.86 | 45.70 | 8.69 | 25.13 | -25.21 | 76.02 | -4.01 | 171.65 | 0.4350 | 488.4 | -466.8 | |
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back to the solar disc SDO HMI 2011-12-07 12:58:56 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 |
| 7.93 | 10.06 | 4.35 | 5.51 | -25.27 | 78.68 | -1.35 | 177.14 | 0.4308 | 972.1 | 756.4 | |
| 5.29 | 8.61 | 2.88 | 4.69 | -24.45 | 77.55 | -2.48 | 174.58 | 0.4192 | 990.9 | 703.3 | |
| 0.00 | 1.45 | 0.00 | 0.80 | -25.99 | 74.75 | -5.28 | 169.35 | 0.4494 | -819.0 | -650.4 | |
| 2.64 | 25.58 | 1.46 | 14.13 | -25.40 | 74.55 | -5.48 | 168.66 | 0.4410 | -1048.2 | -735.2 | |
| 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. | |