SDO HMI 2014-10-04 20:00:32 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 7.91 | 16.61 | 7.70 | 16.69 | -19.03 | 78.56 | -55.59 | 116.28 | 0.8707 | 470.4 | 276.3 | |
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back to the solar disc SDO HMI 2014-10-04 20:00:32 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 | 2.20 | 0.00 | 2.18 | -20.51 | 79.52 | -54.64 | 118.22 | 0.8688 | 482.0 | 402.7 | |
| 7.91 | 13.09 | 7.70 | 12.75 | -18.29 | 79.42 | -54.73 | 115.77 | 0.8629 | 657.0 | 408.1 | |
| 0.00 | 0.70 | 0.00 | 0.94 | -22.67 | 71.11 | -63.04 | 117.63 | 0.9300 | -159.0 | -196.0 | |
| 0.00 | 0.62 | 0.00 | 0.82 | -22.49 | 71.19 | -62.97 | 117.47 | 0.9292 | -349.0 | -335.6 | |
| 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. | |