SDO HMI 2011-11-17 18:58:57 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 8.24 | 40.51 | 15.20 | 78.75 | 9.14 | 55.41 | 75.10 | 278.78 | 0.9660 | -252.6 | 14.7 | |
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back to the solar disc SDO HMI 2011-11-17 18:58:57 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 | 1.20 | 0.00 | 2.35 | 7.96 | 55.90 | 75.58 | 277.56 | 0.9687 | 433.0 | 408.1 | |
| 2.75 | 18.37 | 5.66 | 39.30 | 10.04 | 56.60 | 76.28 | 279.70 | 0.9716 | -285.5 | 77.4 | |
| 4.12 | 14.16 | 7.72 | 26.78 | 7.90 | 55.15 | 74.83 | 277.49 | 0.9654 | -480.4 | -142.9 | |
| 0.00 | 2.40 | 0.00 | 4.18 | 8.28 | 53.99 | 73.68 | 277.88 | 0.9600 | -212.0 | -145.1 | |
| 0.00 | 0.86 | 0.00 | 1.47 | 8.80 | 53.73 | 73.41 | 278.42 | 0.9587 | -292.0 | -253.3 | |
| 1.37 | 3.52 | 1.82 | 4.67 | 10.14 | 48.52 | 68.21 | 279.89 | 0.9294 | 439.0 | 377.3 | |
| 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. | |