SDO HMI 2011-02-27 12:58:58 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 8.19 | 14.38 | 5.08 | 9.01 | -22.15 | 181.63 | -36.05 | 117.21 | 0.6150 | 266.0 | 5.5 | |
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back to the solar disc SDO HMI 2011-02-27 12:58:58 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 |
| 8.19 | 11.11 | 5.08 | 6.89 | -21.58 | 182.31 | -35.37 | 116.66 | 0.6045 | 835.7 | 680.7 | |
| 0.00 | 0.78 | 0.00 | 0.49 | -23.11 | 180.57 | -37.11 | 118.21 | 0.6320 | -669.0 | -564.9 | |
| 0.00 | 1.03 | 0.00 | 0.67 | -24.33 | 179.29 | -38.39 | 119.45 | 0.6521 | -721.0 | -567.2 | |
| 0.00 | 1.46 | 0.00 | 0.96 | -24.21 | 178.91 | -38.76 | 119.11 | 0.6559 | -706.0 | -575.9 | |
| 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. | |