SDO HMI 2014-04-03 16:00:32 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 |
| 0.00 | 9.93 | 0.00 | 6.17 | -28.84 | 77.79 | 29.01 | 225.93 | 0.5963 | -542.0 | -389.6 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-04-03 16:00:32 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 | 1.67 | 0.00 | 1.23 | -22.23 | 95.41 | 46.63 | 245.61 | 0.7412 | 494.0 | 418.8 | |
| 0.00 | 1.14 | 0.00 | 0.69 | -29.06 | 76.76 | 27.99 | 225.96 | 0.5728 | -661.0 | -446.2 | |
| 0.00 | 1.41 | 0.00 | 0.85 | -28.84 | 76.58 | 27.81 | 226.11 | 0.5691 | -872.0 | -742.9 | |
| 0.00 | 1.14 | 0.00 | 0.68 | -28.81 | 75.95 | 27.18 | 225.60 | 0.5624 | -632.0 | -467.8 | |
| 0.00 | 2.11 | 0.00 | 1.25 | -28.02 | 75.32 | 26.54 | 226.16 | 0.5491 | -812.0 | -710.0 | |
| 0.00 | 1.05 | 0.00 | 0.60 | -27.69 | 70.81 | 22.03 | 221.89 | 0.4995 | -789.0 | -673.2 | |
| 0.00 | 1.41 | 0.00 | 0.87 | -40.03 | 64.66 | 15.89 | 200.62 | 0.5975 | -522.0 | -425.2 | |
| 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. | |