SDO HMI 2011-11-17 12:58:57 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 15.54 | 81.31 | 15.49 | 80.97 | 28.45 | 40.70 | 57.08 | 301.62 | 0.8686 | -675.9 | -131.9 | |
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back to the solar disc SDO HMI 2011-11-17 12:58:57 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 |
| 15.54 | 78.39 | 15.49 | 78.31 | 28.40 | 40.84 | 57.22 | 301.52 | 0.8696 | -745.4 | -135.1 | |
| 0.00 | 1.29 | 0.00 | 1.25 | 30.41 | 39.04 | 55.41 | 304.26 | 0.8611 | -500.0 | -406.3 | |
| 0.00 | 1.63 | 0.00 | 1.41 | 29.60 | 34.17 | 50.55 | 304.90 | 0.8209 | 225.0 | 252.6 | |
| 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. | |