SDO HMI 2011-10-30 19:58:59 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 16.54 | 46.93 | 9.13 | 25.99 | 31.01 | 215.59 | -1.50 | 2.67 | 0.4491 | -687.1 | -367.6 | |
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back to the solar disc SDO HMI 2011-10-30 19:58:59 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 |
| 16.54 | 42.08 | 9.13 | 23.22 | 30.69 | 216.36 | -0.73 | 1.42 | 0.4425 | -1124.9 | -503.4 | |
| 0.00 | 1.04 | 0.00 | 0.58 | 31.61 | 213.56 | -3.53 | 6.58 | 0.4600 | -747.0 | -559.2 | |
| 0.00 | 0.69 | 0.00 | 0.39 | 32.95 | 208.40 | -8.69 | 14.90 | 0.4950 | 661.0 | 564.9 | |
| 0.00 | 1.39 | 0.00 | 0.79 | 33.60 | 208.08 | -9.01 | 15.01 | 0.5055 | 527.0 | 433.7 | |
| 0.00 | 1.73 | 0.00 | 1.01 | 35.31 | 207.60 | -9.49 | 14.72 | 0.5318 | 808.0 | 642.7 | |
| 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. | |