SDO HMI 2011-10-28 07:59:00 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 4.33 | 0.00 | 2.43 | -21.81 | 256.74 | 6.69 | 193.57 | 0.4615 | -387.2 | -344.9 | |
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back to the solar disc SDO HMI 2011-10-28 07:59:00 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 | 0.95 | 0.00 | 0.55 | -24.97 | 257.67 | 7.61 | 193.62 | 0.5119 | 815.0 | 620.5 | |
| 0.00 | 1.21 | 0.00 | 0.68 | -21.38 | 256.85 | 6.80 | 194.05 | 0.4557 | -716.0 | -601.9 | |
| 0.00 | 1.04 | 0.00 | 0.58 | -20.98 | 256.77 | 6.71 | 194.11 | 0.4494 | -845.0 | -717.7 | |
| 0.00 | 1.13 | 0.00 | 0.62 | -20.25 | 255.78 | 5.72 | 192.48 | 0.4346 | -803.0 | -573.8 | |
| 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. | |