SDO HMI 2011-10-18 10:59:01 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 11.43 | 44.40 | 22.07 | 81.51 | 19.93 | 95.58 | 75.28 | 289.17 | 0.9632 | -146.0 | -5.9 | |
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back to the solar disc SDO HMI 2011-10-18 10:59:01 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 |
| 6.89 | 14.39 | 14.70 | 30.89 | 19.48 | 98.03 | 77.73 | 288.72 | 0.9738 | -426.6 | -220.3 | |
| 0.00 | 0.87 | 0.00 | 1.75 | 18.85 | 97.04 | 76.74 | 288.05 | 0.9700 | -378.0 | -361.1 | |
| 0.00 | 2.01 | 0.00 | 4.05 | 19.02 | 97.17 | 76.87 | 288.24 | 0.9704 | -410.0 | -263.4 | |
| 0.00 | 4.97 | 0.00 | 8.70 | 20.58 | 94.81 | 74.51 | 289.82 | 0.9603 | 73.0 | -23.3 | |
| 4.54 | 22.16 | 7.37 | 36.12 | 20.32 | 93.43 | 73.13 | 289.56 | 0.9537 | 451.3 | 178.1 | |
| 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. | |