SDO HMI 2011-10-09 12:59:02 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 34.70 | 197.47 | 76.50 | 439.67 | 26.84 | 59.40 | -78.53 | 63.84 | 0.9752 | -218.2 | -60.2 | |
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back to the solar disc SDO HMI 2011-10-09 12:59:02 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 |
| 18.14 | 197.47 | 39.15 | 439.67 | 26.89 | 59.74 | -78.19 | 63.80 | 0.9740 | -525.2 | -60.2 | |
| 12.88 | -1.00 | 29.27 | -1.00 | 27.00 | 58.92 | -79.00 | 63.67 | 0.9768 | 215.0 | 999999 | |
| 3.68 | -1.00 | 8.08 | -1.00 | 26.03 | 59.49 | -78.44 | 64.68 | 0.9749 | -299.7 | 999999 | |
| 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. | |