SDO HMI 2014-07-16 14:00:40 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 | 6.36 | 0.00 | 3.78 | -12.74 | 86.03 | -28.48 | 122.57 | 0.5467 | -254.0 | -307.8 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-07-16 14:00:40 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 | 1.00 | 0.00 | 0.52 | -8.39 | 101.30 | -13.22 | 134.23 | 0.3170 | 838.0 | 649.4 | |
| 0.00 | 0.91 | 0.00 | 0.55 | -13.68 | 85.04 | -29.47 | 122.23 | 0.5673 | -638.0 | -475.4 | |
| 0.00 | 1.45 | 0.00 | 0.87 | -13.47 | 84.68 | -29.84 | 121.60 | 0.5703 | -608.0 | -600.2 | |
| 0.00 | 1.18 | 0.00 | 0.72 | -14.29 | 84.19 | -30.32 | 122.44 | 0.5819 | -557.0 | -484.0 | |
| 0.00 | 1.82 | 0.00 | 1.12 | -12.73 | 81.66 | -32.85 | 118.16 | 0.6024 | -305.0 | -330.4 | |
| 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. | |