SDO HMI 2011-03-04 11:58:59 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 11.92 | 21.93 | 16.66 | 30.84 | 24.55 | 215.70 | 63.34 | 299.70 | 0.9370 | -147.2 | -22.1 | |
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back to the solar disc SDO HMI 2011-03-04 11:58:59 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 |
| 8.29 | 14.77 | 12.14 | 21.64 | 24.63 | 216.70 | 64.34 | 299.47 | 0.9426 | -433.2 | -176.3 | |
| 0.00 | 1.81 | 0.00 | 2.47 | 25.53 | 214.52 | 62.16 | 301.06 | 0.9331 | 384.0 | 282.5 | |
| 3.63 | 4.75 | 4.52 | 5.92 | 23.69 | 212.77 | 60.41 | 299.78 | 0.9191 | 392.6 | 301.8 | |
| 0.00 | 0.60 | 0.00 | 0.81 | 25.52 | 214.16 | 61.80 | 301.17 | 0.9311 | 353.0 | 294.3 | |
| 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. | |