SDO HMI 2011-12-13 17:58:55 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 7.75 | 0.00 | 5.65 | 8.03 | 44.76 | 46.54 | 281.63 | 0.7357 | -23.7 | 78.5 | |
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back to the solar disc SDO HMI 2011-12-13 17:58:55 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 | 1.36 | 0.00 | 1.05 | 8.05 | 47.85 | 49.63 | 281.07 | 0.7710 | -398.0 | -419.6 | |
| 0.00 | 0.85 | 0.00 | 0.65 | 8.04 | 47.39 | 49.17 | 281.14 | 0.7659 | -346.0 | -412.5 | |
| 0.00 | 0.26 | 0.00 | 0.19 | 8.05 | 44.93 | 46.71 | 281.61 | 0.7382 | -653.0 | -597.3 | |
| 0.00 | 1.02 | 0.00 | 0.74 | 8.02 | 44.71 | 46.49 | 281.61 | 0.7355 | -576.0 | -486.9 | |
| 0.00 | 0.94 | 0.00 | 0.67 | 7.92 | 43.45 | 45.23 | 281.73 | 0.7205 | 387.0 | 359.0 | |
| 0.00 | 2.55 | 0.00 | 1.81 | 7.74 | 43.25 | 45.03 | 281.52 | 0.7179 | 755.0 | 612.3 | |
| 0.00 | 0.77 | 0.00 | 0.54 | 9.07 | 42.27 | 44.05 | 283.60 | 0.7088 | 665.0 | 525.8 | |
| 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. | |