SDO HMI 2014-03-13 20:00:29 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 4.16 | 12.84 | 3.20 | 9.84 | 11.46 | 9.83 | 46.35 | 291.68 | 0.7655 | -161.7 | -85.8 | |
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back to the solar disc SDO HMI 2014-03-13 20:00:29 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 |
| 1.21 | 2.43 | 0.93 | 1.85 | 10.46 | 9.84 | 46.36 | 290.44 | 0.7618 | 384.6 | 442.4 | |
| 2.95 | 7.29 | 2.27 | 5.62 | 11.91 | 9.97 | 46.49 | 292.17 | 0.7686 | -629.9 | -520.0 | |
| 0.00 | 3.12 | 0.00 | 2.37 | 11.18 | 9.50 | 46.02 | 291.47 | 0.7609 | 393.0 | 320.7 | |
| 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. | |