SDO HMI 2011-10-27 16:59:00 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 9.18 | 0.00 | 5.04 | -20.40 | 257.00 | -1.30 | 177.15 | 0.4289 | -225.6 | -19.2 | |
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back to the solar disc SDO HMI 2011-10-27 16:59:00 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 | 1.56 | 0.00 | 0.85 | -19.98 | 257.83 | -0.48 | 178.93 | 0.4217 | 643.0 | 598.8 | |
| 0.00 | 3.12 | 0.00 | 1.71 | -20.44 | 257.63 | -0.67 | 178.53 | 0.4290 | 877.0 | 721.1 | |
| 0.00 | 1.30 | 0.00 | 0.72 | -21.24 | 256.58 | -1.73 | 176.34 | 0.4423 | -692.0 | -599.7 | |
| 0.00 | 1.21 | 0.00 | 0.67 | -20.90 | 256.36 | -1.95 | 175.82 | 0.4374 | -912.0 | -798.6 | |
| 0.00 | 1.99 | 0.00 | 1.09 | -19.79 | 256.05 | -2.25 | 174.93 | 0.4201 | -1044.0 | -805.8 | |
| 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. | |