SDO HMI 2011-06-04 21:59:10 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 |
| 2.26 | 7.05 | 1.41 | 4.26 | 17.33 | 42.31 | 30.42 | 302.12 | 0.5716 | -418.0 | -235.7 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-06-04 21:59:10 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 |
| 2.26 | 2.53 | 1.41 | 1.58 | 17.97 | 45.04 | 33.16 | 300.95 | 0.6090 | -710.8 | -734.3 | |
| 0.00 | 1.08 | 0.00 | 0.67 | 18.83 | 43.67 | 31.78 | 303.21 | 0.5981 | -740.0 | -582.1 | |
| 0.00 | 1.90 | 0.00 | 1.13 | 15.95 | 42.01 | 30.12 | 300.00 | 0.5593 | -778.0 | -596.9 | |
| 0.00 | 1.54 | 0.00 | 0.88 | 16.82 | 36.74 | 24.85 | 306.10 | 0.4999 | 677.0 | 590.2 | |
| 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. | |