SDO HMI 2014-03-27 19:00:31 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.35 | 3.31 | 0.20 | 1.85 | -22.97 | 116.51 | -22.94 | 128.70 | 0.4623 | -355.5 | -388.1 | |
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back to the solar disc SDO HMI 2014-03-27 19:00:31 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 | 0.52 | 0.00 | 0.29 | -24.10 | 117.45 | -22.01 | 131.80 | 0.4608 | 578.0 | 617.0 | |
| 0.35 | 1.57 | 0.20 | 0.88 | -23.64 | 116.82 | -22.63 | 130.26 | 0.4639 | -886.2 | -755.7 | |
| 0.00 | 1.22 | 0.00 | 0.68 | -21.62 | 115.71 | -23.75 | 125.35 | 0.4610 | -652.0 | -450.6 | |
| 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. | |