SDO HMI 2011-08-17 08:59:09 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 9.46 | 66.77 | 12.17 | 88.52 | -20.67 | 56.67 | -63.27 | 115.59 | 0.9276 | 406.8 | 76.0 | |
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back to the solar disc SDO HMI 2011-08-17 08:59:09 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 |
| 1.62 | 56.95 | 2.07 | 73.27 | -21.01 | 57.60 | -62.35 | 116.19 | 0.9232 | 488.5 | 128.5 | |
| 6.13 | -1.00 | 7.81 | -1.00 | -20.69 | 57.48 | -62.47 | 115.83 | 0.9233 | 662.9 | 999999 | |
| 1.71 | 2.34 | 2.29 | 3.13 | -19.56 | 55.91 | -64.03 | 114.20 | 0.9304 | 296.2 | 273.6 | |
| 0.00 | 1.62 | 0.00 | 2.35 | -19.74 | 54.00 | -65.95 | 113.87 | 0.9414 | 95.0 | 18.4 | |
| 0.00 | 4.78 | 0.00 | 8.10 | -21.02 | 51.13 | -68.81 | 114.46 | 0.9574 | -468.0 | -259.9 | |
| 0.00 | 1.08 | 0.00 | 1.67 | -18.41 | 52.28 | -67.67 | 112.07 | 0.9485 | -322.0 | -307.2 | |
| 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. | |