SDO HMI 2011-05-30 17:59:10 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 |
| 26.00 | 161.03 | 26.55 | 162.13 | 16.67 | 21.57 | -58.70 | 70.22 | 0.8718 | -676.4 | -195.5 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-05-30 17:59:10 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 |
| 0.00 | 2.08 | 0.00 | 2.11 | 20.41 | 22.07 | -58.20 | 65.90 | 0.8745 | -214.0 | -272.6 | |
| 0.00 | 1.35 | 0.00 | 1.33 | 17.46 | 22.54 | -57.73 | 69.11 | 0.8653 | -670.0 | -561.7 | |
| 24.01 | 154.71 | 23.99 | 154.97 | 16.55 | 21.72 | -58.55 | 70.32 | 0.8705 | -797.6 | -194.7 | |
| 1.99 | 2.89 | 2.56 | 3.72 | 19.13 | 14.55 | -65.72 | 68.83 | 0.9252 | 276.5 | 282.1 | |
| 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. | |