SDO HMI 2014-04-08 03:00:33 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 |
| 22.73 | 140.25 | 56.47 | 355.42 | 12.44 | 273.08 | -76.84 | 75.94 | 0.9795 | -153.1 | -21.9 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-04-08 03:00:33 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 |
| 15.95 | 101.67 | 32.97 | 211.99 | 11.40 | 275.51 | -74.42 | 76.62 | 0.9717 | -340.2 | -122.0 | |
| 1.76 | 4.58 | 4.15 | 10.80 | 12.54 | 273.83 | -76.09 | 75.73 | 0.9786 | -20.8 | 30.4 | |
| 0.00 | 0.79 | 0.00 | 1.92 | 12.82 | 273.57 | -76.35 | 75.50 | 0.9797 | 170.0 | 201.4 | |
| 0.00 | 1.23 | 0.00 | 5.09 | 15.31 | 268.72 | -81.20 | 73.72 | 0.9935 | 119.0 | 137.1 | |
| 3.17 | 31.98 | 12.10 | 125.62 | 14.23 | 269.14 | -80.78 | 74.74 | 0.9923 | 194.8 | 131.8 | |
| 1.85 | -5.00 | 7.25 | -5.00 | 13.77 | 269.07 | -80.85 | 75.21 | 0.9923 | -41.0 | 999999 | |
| 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. | |