SDO HMI 2011-05-01 16:59:07 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 4.55 | 20.16 | 2.43 | 10.74 | 14.58 | 114.76 | 10.40 | 331.52 | 0.3677 | -645.6 | -609.3 | |
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back to the solar disc SDO HMI 2011-05-01 16:59:07 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 |
| 4.55 | 9.27 | 2.43 | 4.96 | 14.25 | 116.93 | 12.57 | 326.11 | 0.3797 | -927.4 | -808.2 | |
| 0.00 | 1.25 | 0.00 | 0.67 | 13.89 | 116.50 | 12.13 | 326.49 | 0.3711 | -722.0 | -578.9 | |
| 0.00 | 1.16 | 0.00 | 0.62 | 14.89 | 114.83 | 10.47 | 331.62 | 0.3709 | -640.0 | -486.8 | |
| 0.00 | 1.16 | 0.00 | 0.62 | 15.12 | 113.25 | 8.89 | 335.62 | 0.3629 | -908.0 | -698.7 | |
| 0.00 | 1.43 | 0.00 | 0.78 | 20.13 | 112.86 | 8.49 | 341.33 | 0.4350 | 809.0 | 506.6 | |
| 0.00 | 4.73 | 0.00 | 2.48 | 13.67 | 111.72 | 7.36 | 337.83 | 0.3312 | -941.0 | -771.3 | |
| 0.00 | 1.16 | 0.00 | 0.61 | 13.70 | 111.47 | 7.11 | 338.55 | 0.3301 | -787.0 | -627.4 | |
| 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. | |