SDO HMI 2014-04-08 08:00:33 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 4.23 | 0.00 | 2.80 | -14.73 | 306.43 | -40.76 | 105.74 | 0.6544 | 351.2 | 316.1 | |
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back to the solar disc SDO HMI 2014-04-08 08:00:33 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 | 2.12 | 0.00 | 1.29 | -15.26 | 311.91 | -35.28 | 107.71 | 0.5871 | 682.0 | 547.6 | |
| 0.00 | 0.35 | 0.00 | 0.23 | -18.02 | 308.89 | -38.29 | 111.17 | 0.6342 | 467.0 | 543.5 | |
| 0.00 | 0.79 | 0.00 | 0.52 | -10.36 | 306.35 | -40.83 | 98.81 | 0.6532 | 619.0 | 530.6 | |
| 0.00 | 0.97 | 0.00 | 0.76 | -15.84 | 296.44 | -50.75 | 105.51 | 0.7754 | -363.0 | -293.3 | |
| 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. | |