SDO HMI 2011-12-08 16:58:55 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 9.46 | 34.59 | 13.50 | 51.33 | 8.62 | 354.57 | -70.08 | 80.83 | 0.9428 | -317.7 | 79.9 | |
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back to the solar disc SDO HMI 2011-12-08 16:58:55 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 |
| 9.46 | 29.56 | 13.50 | 42.65 | 8.65 | 355.19 | -69.46 | 80.76 | 0.9395 | -452.7 | 40.4 | |
| 0.00 | 0.94 | 0.00 | 1.47 | 8.11 | 353.24 | -71.41 | 81.44 | 0.9503 | -328.0 | -271.4 | |
| 0.00 | 0.51 | 0.00 | 0.84 | 9.22 | 352.43 | -72.22 | 80.32 | 0.9549 | 51.0 | 148.5 | |
| 0.00 | 1.19 | 0.00 | 2.06 | 8.02 | 351.49 | -73.16 | 81.61 | 0.9593 | 437.0 | 394.6 | |
| 0.00 | 2.39 | 0.00 | 4.31 | 8.62 | 350.76 | -73.89 | 81.02 | 0.9629 | 391.0 | 303.9 | |
| 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. | |