SDO HMI 2011-01-01 15:58:55 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 3.73 | 0.00 | 2.59 | -26.93 | 207.55 | -39.04 | 126.48 | 0.7009 | 586.2 | 484.1 | |
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back to the solar disc SDO HMI 2011-01-01 15:58:55 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 |
| 0.00 | 1.02 | 0.00 | 0.72 | -28.45 | 207.42 | -39.17 | 128.35 | 0.7106 | 528.0 | 381.6 | |
| 0.00 | 0.68 | 0.00 | 0.47 | -26.44 | 207.72 | -38.88 | 125.95 | 0.6966 | 559.0 | 510.2 | |
| 0.00 | 0.93 | 0.00 | 0.64 | -26.24 | 207.71 | -38.89 | 125.69 | 0.6956 | 625.0 | 544.7 | |
| 0.00 | 1.10 | 0.00 | 0.76 | -26.36 | 207.45 | -39.15 | 125.70 | 0.6990 | 633.0 | 513.2 | |
| 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. | |