SDO HMI 2011-04-29 19:59:06 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 8.46 | 20.14 | 6.87 | 16.40 | 15.63 | 178.20 | 49.07 | 293.50 | 0.7955 | -196.2 | -177.1 | |
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back to the solar disc SDO HMI 2011-04-29 19:59:06 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 | 1.96 | 0.00 | 1.64 | 15.54 | 179.59 | 50.45 | 292.88 | 0.8086 | -493.0 | -419.0 | |
| 0.00 | 3.30 | 0.00 | 2.75 | 15.65 | 179.33 | 50.20 | 293.11 | 0.8065 | -417.0 | -474.2 | |
| 1.87 | 1.96 | 1.55 | 1.62 | 15.29 | 179.06 | 49.93 | 292.77 | 0.8028 | -585.7 | -590.0 | |
| 4.01 | 6.95 | 3.27 | 5.67 | 16.03 | 178.14 | 49.01 | 294.00 | 0.7964 | -487.5 | -347.4 | |
| 1.51 | 3.56 | 1.20 | 2.82 | 15.19 | 176.88 | 47.75 | 293.48 | 0.7811 | 545.4 | 417.8 | |
| 1.07 | 1.34 | 0.85 | 1.06 | 15.44 | 176.86 | 47.73 | 293.80 | 0.7818 | 273.8 | 380.0 | |
| 0.00 | 1.07 | 0.00 | 0.84 | 15.33 | 176.60 | 47.46 | 293.77 | 0.7788 | 588.0 | 502.7 | |
| 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. | |