SDO HMI 2011-08-12 20:59:10 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 9.10 | 19.47 | 6.44 | 13.76 | 23.10 | 135.43 | -43.98 | 63.72 | 0.7143 | -240.0 | -307.2 | |
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back to the solar disc SDO HMI 2011-08-12 20:59:10 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 |
| 6.40 | 12.80 | 4.40 | 8.81 | 23.41 | 137.22 | -42.19 | 62.73 | 0.6957 | -760.8 | -643.8 | |
| 0.00 | 1.17 | 0.00 | 0.81 | 15.95 | 135.07 | -44.35 | 73.80 | 0.7021 | -599.0 | -464.2 | |
| 2.70 | 4.15 | 2.04 | 3.12 | 23.89 | 131.74 | -47.67 | 63.80 | 0.7557 | 749.5 | 626.4 | |
| 0.00 | 1.35 | 0.00 | 1.02 | 23.75 | 131.52 | -47.90 | 64.05 | 0.7576 | 392.0 | 276.9 | |
| 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. | |