SDO HMI 2014-03-31 03:00:32 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 3.51 | 0.00 | 2.43 | 3.10 | 138.99 | 43.51 | 281.24 | 0.7036 | 528.8 | 420.8 | |
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back to the solar disc SDO HMI 2014-03-31 03:00:32 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 | 0.88 | 0.00 | 0.61 | 3.53 | 139.45 | 43.97 | 281.72 | 0.7101 | 566.0 | 441.1 | |
| 0.00 | 0.70 | 0.00 | 0.49 | 3.77 | 139.42 | 43.95 | 282.06 | 0.7104 | 469.0 | 321.9 | |
| 0.00 | 0.61 | 0.00 | 0.43 | 4.00 | 139.27 | 43.79 | 282.43 | 0.7093 | 550.0 | 485.9 | |
| 0.00 | 0.88 | 0.00 | 0.61 | 3.79 | 138.59 | 43.12 | 282.37 | 0.7005 | 550.0 | 438.6 | |
| 0.00 | 0.44 | 0.00 | 0.29 | -1.72 | 137.71 | 42.23 | 274.71 | 0.6765 | 509.0 | 412.2 | |
| 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. | |