SDO HMI 2014-04-08 10:00:33 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!)
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 8.01 | 25.63 | 4.63 | 14.87 | -2.70 | 314.88 | -31.21 | 85.13 | 0.5215 | -9.8 | 28.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-04-08 10:00:33 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 |
| 1.94 | 3.52 | 1.11 | 2.02 | -1.72 | 316.07 | -30.02 | 82.93 | 0.5059 | 918.5 | 667.0 | |
| 1.23 | 9.43 | 0.71 | 5.43 | -2.54 | 315.67 | -30.42 | 84.65 | 0.5101 | 927.9 | 724.0 | |
| 2.64 | -2.00 | 1.52 | -2.00 | -2.27 | 315.60 | -30.49 | 84.13 | 0.5116 | 867.9 | 999999 | |
| 0.00 | 1.32 | 0.00 | 0.76 | -2.59 | 315.42 | -30.67 | 84.81 | 0.5137 | 700.0 | 588.5 | |
| 0.00 | 1.85 | 0.00 | 1.08 | -3.32 | 314.06 | -32.03 | 86.52 | 0.5326 | -793.0 | -532.4 | |
| 0.00 | 1.23 | 0.00 | 0.72 | -3.62 | 313.94 | -32.15 | 87.09 | 0.5339 | -795.0 | -648.8 | |
| 0.00 | 1.23 | 0.00 | 0.72 | -2.89 | 313.93 | -32.16 | 85.75 | 0.5352 | -462.0 | -324.7 | |
| 0.00 | 0.88 | 0.00 | 0.52 | -3.67 | 313.79 | -32.30 | 87.22 | 0.5359 | -629.0 | -528.0 | |
| 2.20 | 6.17 | 1.29 | 3.62 | -3.25 | 313.77 | -32.31 | 86.44 | 0.5368 | -862.6 | -658.2 | |
| Proj. U | - Projected umbra area in millionths of solar disc, negative values indicate | |
|
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. |
||
| Proj. WS | - Projected whole spot area in millionths of solar disc, negative values indicate | |
|
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. |
||
| 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. | |