SDO HMI 2014-04-22 18:00:35 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 3.72 | 0.00 | 2.30 | -18.79 | 191.55 | 34.72 | 245.04 | 0.5986 | -600.0 | -458.7 | |
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back to the solar disc SDO HMI 2014-04-22 18:00:35 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 | 0.53 | 0.00 | 0.35 | -25.40 | 193.88 | 37.04 | 236.16 | 0.6574 | -577.0 | -474.8 | |
| 0.00 | 1.24 | 0.00 | 0.78 | -20.04 | 192.07 | 35.24 | 243.12 | 0.6100 | -565.0 | -350.4 | |
| 0.00 | 0.80 | 0.00 | 0.48 | -15.93 | 190.88 | 34.05 | 249.23 | 0.5781 | -577.0 | -488.6 | |
| 0.00 | 1.15 | 0.00 | 0.69 | -16.02 | 190.26 | 33.43 | 248.81 | 0.5700 | -681.0 | -550.6 | |
| 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. | |