SDO HMI 2014-03-04 06:00:28 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 | 3.97 | 0.00 | 2.41 | 19.76 | 112.33 | 22.57 | 321.02 | 0.5751 | -27.0 | -150.3 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-04 06:00:28 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 | 1.21 | 0.00 | 0.75 | 20.48 | 114.33 | 24.57 | 319.41 | 0.6009 | -782.0 | -631.1 | |
| 0.00 | 1.12 | 0.00 | 0.69 | 20.93 | 113.43 | 23.67 | 320.96 | 0.5975 | -663.0 | -575.0 | |
| 0.00 | 0.78 | 0.00 | 0.46 | 18.44 | 110.06 | 20.30 | 322.30 | 0.5405 | 628.0 | 501.2 | |
| 0.00 | 0.86 | 0.00 | 0.51 | 18.30 | 109.94 | 20.19 | 322.30 | 0.5379 | 709.0 | 552.0 | |
| 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. | |