SDO HMI 2011-04-27 20:59:06 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 1.87 | 16.56 | 1.07 | 9.44 | 15.58 | 177.14 | 22.13 | 312.99 | 0.4982 | -288.7 | -241.4 | |
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back to the solar disc SDO HMI 2011-04-27 20:59:06 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 | 2.31 | 0.00 | 1.33 | 15.58 | 178.24 | 23.23 | 311.64 | 0.5103 | -603.0 | -576.7 | |
| 1.87 | 3.29 | 1.07 | 1.88 | 15.09 | 177.74 | 22.73 | 311.48 | 0.4999 | -791.0 | -713.2 | |
| 0.00 | 1.69 | 0.00 | 0.96 | 15.14 | 177.51 | 22.50 | 311.86 | 0.4979 | -849.0 | -707.1 | |
| 0.00 | 1.07 | 0.00 | 0.61 | 14.95 | 177.35 | 22.34 | 311.75 | 0.4942 | -809.0 | -634.8 | |
| 0.00 | 1.96 | 0.00 | 1.11 | 15.07 | 177.16 | 22.15 | 312.18 | 0.4932 | -899.0 | -721.2 | |
| 0.00 | 1.07 | 0.00 | 0.61 | 15.61 | 177.02 | 22.01 | 313.19 | 0.4970 | 480.0 | 360.1 | |
| 0.00 | 1.07 | 0.00 | 0.61 | 15.35 | 176.89 | 21.88 | 312.96 | 0.4930 | -593.0 | -557.9 | |
| 0.00 | 2.94 | 0.00 | 1.68 | 16.78 | 176.24 | 21.23 | 315.94 | 0.5006 | 702.0 | 535.8 | |
| 0.00 | 1.16 | 0.00 | 0.65 | 16.13 | 175.06 | 20.05 | 316.60 | 0.4812 | 799.0 | 637.7 | |
| 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. | |