SDO HMI 2011-10-12 16:59:02 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 15.48 | 81.50 | 14.39 | 75.42 | 23.11 | 153.59 | 57.44 | 293.55 | 0.8478 | -606.0 | -294.4 | |
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back to the solar disc SDO HMI 2011-10-12 16:59:02 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 | 2.27 | 0.00 | 2.07 | 21.08 | 153.15 | 57.00 | 291.23 | 0.8416 | 529.0 | 370.2 | |
| 0.00 | 0.79 | 0.00 | 0.71 | 20.91 | 152.93 | 56.78 | 291.05 | 0.8395 | 484.0 | 428.6 | |
| 15.48 | 75.29 | 14.39 | 69.80 | 23.13 | 153.67 | 57.52 | 293.57 | 0.8485 | -844.2 | -350.3 | |
| 0.00 | 2.10 | 0.00 | 1.83 | 23.03 | 151.13 | 54.98 | 293.85 | 0.8262 | 452.0 | 409.4 | |
| 0.00 | 1.05 | 0.00 | 1.01 | 27.22 | 154.11 | 57.96 | 298.24 | 0.8578 | -462.0 | -381.7 | |
| 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. | |