SDO HMI 2014-08-17 16:00:38 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 7.83 | 41.86 | 26.80 | 145.71 | 15.53 | 133.41 | 83.22 | 284.79 | 0.9901 | -50.0 | -4.9 | |
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back to the solar disc SDO HMI 2014-08-17 16:00:38 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 |
| 2.25 | 10.71 | 7.14 | 33.97 | 14.93 | 132.64 | 82.44 | 284.12 | 0.9884 | -251.6 | -251.1 | |
| 5.58 | 28.00 | 19.66 | 101.68 | 15.75 | 133.74 | 83.55 | 285.04 | 0.9909 | 38.9 | 106.9 | |
| 0.00 | 3.15 | 0.00 | 10.06 | 15.30 | 132.69 | 82.49 | 284.50 | 0.9884 | -359.0 | -259.5 | |
| 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. | |