SDO HMI 2014-08-05 12:00:39 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 | 4.16 | 0.00 | 2.36 | -18.06 | 195.99 | -15.06 | 148.95 | 0.4802 | -330.0 | -230.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-08-05 12:00:39 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 | 1.36 | 0.00 | 0.76 | -19.21 | 199.46 | -11.59 | 155.94 | 0.4674 | 644.0 | 464.9 | |
| 0.00 | 0.72 | 0.00 | 0.40 | -15.36 | 197.97 | -13.09 | 148.96 | 0.4252 | -606.0 | -517.4 | |
| 0.00 | 1.09 | 0.00 | 0.62 | -19.68 | 196.84 | -14.22 | 151.81 | 0.4914 | -687.0 | -602.6 | |
| 0.00 | 0.99 | 0.00 | 0.58 | -16.67 | 189.18 | -21.88 | 136.73 | 0.5229 | -671.0 | -548.9 | |
| 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. | |