SDO HMI 2011-12-04 20:58:56 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 30.80 | 51.01 | 20.44 | 33.78 | -18.27 | 77.33 | -37.82 | 118.75 | 0.6664 | -104.1 | -118.4 | |
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back to the solar disc SDO HMI 2011-12-04 20:58:56 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 | 0.94 | 0.00 | 0.60 | -17.66 | 80.19 | -34.96 | 119.56 | 0.6300 | 684.0 | 571.9 | |
| 0.00 | 1.62 | 0.00 | 1.04 | -17.29 | 79.59 | -35.56 | 118.66 | 0.6351 | 668.0 | 526.4 | |
| 12.80 | 17.15 | 8.33 | 11.15 | -17.49 | 78.36 | -36.79 | 118.22 | 0.6507 | 834.1 | 611.7 | |
| 0.00 | 1.11 | 0.00 | 0.73 | -18.77 | 77.69 | -37.47 | 119.64 | 0.6650 | -751.0 | -621.5 | |
| 0.00 | 1.79 | 0.00 | 1.17 | -17.40 | 77.83 | -37.32 | 117.80 | 0.6563 | 530.0 | 440.1 | |
| 0.00 | 1.36 | 0.00 | 0.91 | -18.77 | 77.37 | -37.78 | 119.47 | 0.6686 | -616.0 | -462.9 | |
| 18.00 | 25.16 | 12.11 | 16.91 | -18.84 | 76.47 | -38.68 | 119.07 | 0.6791 | -800.8 | -714.9 | |
| 0.00 | 1.88 | 0.00 | 1.27 | -18.81 | 75.76 | -39.39 | 118.66 | 0.6870 | -519.0 | -317.4 | |
| 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. | |