SDO HMI 2014-07-15 08:00:40 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 | 7.00 | 0.00 | 4.51 | -11.05 | 94.91 | -36.13 | 113.80 | 0.6261 | 521.4 | 266.5 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-07-15 08:00:40 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 | 0.82 | 0.00 | 0.48 | -11.29 | 101.69 | -29.35 | 118.40 | 0.5486 | 664.0 | 569.2 | |
| 0.00 | 1.09 | 0.00 | 0.62 | -4.14 | 102.00 | -29.05 | 105.92 | 0.5055 | 725.0 | 526.0 | |
| 0.00 | 1.91 | 0.00 | 1.13 | -10.77 | 101.18 | -29.87 | 117.15 | 0.5519 | 755.0 | 615.4 | |
| 0.00 | 1.09 | 0.00 | 0.65 | -10.16 | 100.56 | -30.48 | 115.70 | 0.5563 | 684.0 | 493.7 | |
| 0.00 | 2.09 | 0.00 | 1.63 | -14.15 | 83.63 | -47.42 | 112.35 | 0.7742 | -221.0 | -256.2 | |
| 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. | |