SDO HMI 2011-04-28 11:59:06 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 8.99 | 0.00 | 4.93 | -16.95 | 124.42 | -22.34 | 121.41 | 0.4280 | 384.6 | 232.0 | |
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back to the solar disc SDO HMI 2011-04-28 11:59:06 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 | 1.34 | 0.00 | 0.73 | -17.53 | 125.25 | -21.51 | 123.51 | 0.4211 | 618.0 | 446.2 | |
| 0.00 | 1.42 | 0.00 | 0.78 | -17.28 | 125.25 | -21.51 | 122.99 | 0.4192 | 721.0 | 587.3 | |
| 0.00 | 1.16 | 0.00 | 0.63 | -15.75 | 124.52 | -22.24 | 118.94 | 0.4181 | 794.0 | 667.1 | |
| 0.00 | 2.58 | 0.00 | 1.41 | -16.01 | 124.21 | -22.55 | 119.23 | 0.4241 | 651.0 | 539.5 | |
| 0.00 | 2.49 | 0.00 | 1.38 | -17.98 | 123.69 | -23.08 | 122.76 | 0.4452 | -861.0 | -595.6 | |
| 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. | |