SDO HMI 2011-04-29 17:59:06 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.89 | 11.48 | 0.73 | 9.19 | 15.50 | 178.49 | 48.25 | 293.67 | 0.7870 | -283.5 | -198.6 | |
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back to the solar disc SDO HMI 2011-04-29 17:59:06 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 | 0.53 | 0.00 | 0.45 | 14.71 | 180.72 | 50.48 | 291.90 | 0.8063 | -504.0 | -419.2 | |
| 0.89 | 2.76 | 0.73 | 2.25 | 15.63 | 179.50 | 49.26 | 293.43 | 0.7975 | -321.0 | -471.4 | |
| 0.00 | 2.58 | 0.00 | 2.08 | 15.27 | 178.91 | 48.67 | 293.23 | 0.7905 | -631.0 | -521.8 | |
| 0.00 | 0.98 | 0.00 | 0.79 | 15.50 | 178.93 | 48.69 | 293.49 | 0.7915 | -599.0 | -458.8 | |
| 0.00 | 1.87 | 0.00 | 1.48 | 16.19 | 177.60 | 47.35 | 294.86 | 0.7808 | -294.0 | -242.6 | |
| 0.00 | 2.76 | 0.00 | 2.14 | 15.26 | 176.99 | 46.75 | 293.98 | 0.7713 | 638.0 | 482.6 | |
| 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. | |