SDO HMI 2014-04-07 03:00:33 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 8.63 | 38.83 | 5.30 | 23.82 | 17.50 | 30.63 | 27.51 | 311.57 | 0.5908 | -666.6 | -505.9 | |
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back to the solar disc SDO HMI 2014-04-07 03:00:33 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 | 0.88 | 0.00 | 0.53 | 15.25 | 30.87 | 27.75 | 308.21 | 0.5739 | -640.0 | -549.5 | |
| 0.00 | 1.14 | 0.00 | 0.70 | 17.25 | 30.76 | 27.64 | 311.08 | 0.5899 | -740.0 | -645.2 | |
| 8.63 | 35.93 | 5.30 | 22.07 | 17.57 | 30.74 | 27.62 | 311.53 | 0.5926 | -897.9 | -528.8 | |
| 0.00 | 0.88 | 0.00 | 0.52 | 17.32 | 25.35 | 22.23 | 317.30 | 0.5347 | 606.0 | 472.6 | |
| 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. | |