SDO HMI 2014-08-17 09:00:38 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 21.00 | 117.33 | 30.60 | 171.39 | 8.20 | 343.29 | -70.76 | 83.69 | 0.9416 | -383.2 | -141.7 | |
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back to the solar disc SDO HMI 2014-08-17 09:00:38 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 |
| 14.87 | 114.63 | 21.53 | 167.30 | 8.32 | 343.43 | -70.62 | 83.58 | 0.9408 | -566.2 | -152.0 | |
| 5.59 | -1.00 | 8.25 | -1.00 | 7.96 | 343.01 | -71.04 | 83.92 | 0.9434 | 21.0 | 999999 | |
| 0.54 | 2.70 | 0.82 | 4.09 | 7.35 | 342.48 | -71.58 | 84.52 | 0.9467 | 353.8 | 292.8 | |
| 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. | |