SDO HMI 2014-04-20 01:00:34 UT
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| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 6.03 | 38.13 | 10.28 | 65.20 | -22.93 | 118.66 | -73.92 | 112.41 | 0.9584 | 542.4 | 329.7 | |
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back to the solar disc SDO HMI 2014-04-20 01:00:34 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 |
| 4.97 | 31.30 | 8.38 | 52.75 | -22.99 | 118.93 | -73.65 | 112.47 | 0.9572 | 681.0 | 375.0 | |
| 0.00 | 0.27 | 0.00 | 0.48 | -23.11 | 117.64 | -74.94 | 112.56 | 0.9630 | 106.0 | 160.7 | |
| 1.06 | 3.19 | 1.90 | 5.71 | -22.80 | 117.88 | -74.71 | 112.25 | 0.9620 | 326.5 | 242.5 | |
| 0.00 | 3.37 | 0.00 | 6.26 | -22.58 | 117.20 | -75.39 | 112.01 | 0.9649 | 228.0 | 74.4 | |
| 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. | |