SDO HMI 2014-03-10 21:00:29 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 | 4.50 | 0.00 | 2.98 | -16.44 | 43.95 | 41.48 | 253.32 | 0.6655 | -311.0 | -231.5 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-10 21:00:29 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 | 1.04 | 0.00 | 0.69 | -15.85 | 44.63 | 42.16 | 254.33 | 0.6730 | 657.0 | 474.0 | |
| 0.00 | 1.30 | 0.00 | 0.86 | -16.73 | 44.27 | 41.81 | 252.96 | 0.6700 | -543.0 | -407.3 | |
| 0.00 | 0.95 | 0.00 | 0.63 | -16.16 | 43.50 | 41.03 | 253.67 | 0.6594 | -574.0 | -486.8 | |
| 0.00 | 0.52 | 0.00 | 0.34 | -16.53 | 43.35 | 40.88 | 253.07 | 0.6582 | -614.0 | -524.2 | |
| 0.00 | 0.69 | 0.00 | 0.46 | -17.11 | 43.37 | 40.91 | 252.20 | 0.6596 | -481.0 | -402.8 | |
| 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. | |