SDO HMI 2013-10-19 02:59:00 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 3.66 | 13.95 | 7.90 | 29.85 | -22.53 | 156.02 | 72.84 | 245.19 | 0.9729 | 110.5 | 67.3 | |
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back to the solar disc SDO HMI 2013-10-19 02:59:00 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 |
| 1.13 | 13.43 | 2.47 | 29.18 | -22.62 | 156.41 | 73.24 | 245.19 | 0.9747 | -239.7 | 70.4 | |
| 2.53 | -1.00 | 5.43 | -1.00 | -22.53 | 156.18 | 73.00 | 245.23 | 0.9738 | 316.0 | 999999 | |
| 0.00 | 0.52 | 0.00 | 0.67 | -21.17 | 145.91 | 62.73 | 244.19 | 0.9224 | -140.0 | -31.8 | |
| 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. | |