SDO HMI 2011-12-01 01:58:56 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 8.04 | 24.86 | 8.07 | 24.71 | 18.52 | 223.80 | 58.69 | 290.92 | 0.8691 | -460.7 | -284.5 | |
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back to the solar disc SDO HMI 2011-12-01 01:58:56 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 |
| 3.25 | 5.98 | 3.30 | 6.09 | 18.10 | 224.62 | 59.51 | 290.28 | 0.8752 | -493.8 | -293.2 | |
| 4.79 | 15.12 | 4.77 | 15.03 | 18.57 | 223.85 | 58.74 | 290.97 | 0.8697 | -615.2 | -334.8 | |
| 0.00 | 1.28 | 0.00 | 1.27 | 18.30 | 223.63 | 58.52 | 290.69 | 0.8676 | -643.0 | -583.7 | |
| 0.00 | 1.03 | 0.00 | 1.03 | 20.24 | 223.72 | 58.61 | 292.87 | 0.8713 | -376.0 | -265.2 | |
| 0.00 | 1.45 | 0.00 | 1.29 | 18.75 | 219.54 | 54.43 | 292.08 | 0.8334 | 483.0 | 411.3 | |
| 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. | |