SDO HMI 2014-01-01 12:00:24 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 |
| 12.23 | 33.47 | 15.07 | 40.65 | -11.73 | 116.88 | -66.03 | 101.49 | 0.9132 | 335.6 | 224.5 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-01-01 12:00:24 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 | 0.51 | 0.00 | 0.57 | -11.89 | 119.02 | -63.90 | 101.74 | 0.8994 | 218.0 | 305.8 | |
| 7.05 | 22.69 | 7.90 | 25.36 | -11.41 | 119.08 | -63.83 | 101.21 | 0.8988 | 685.1 | 375.7 | |
| 3.57 | 5.18 | 4.45 | 6.45 | -12.33 | 116.26 | -66.66 | 102.11 | 0.9192 | 408.5 | 270.9 | |
| 0.00 | 1.27 | 0.00 | 1.94 | -12.77 | 111.74 | -71.18 | 102.45 | 0.9468 | -387.0 | -378.1 | |
| 0.00 | 0.68 | 0.00 | 1.03 | -12.40 | 111.70 | -71.22 | 102.07 | 0.9470 | -325.0 | -318.5 | |
| 1.61 | 3.14 | 2.72 | 5.30 | -12.00 | 109.76 | -73.15 | 101.62 | 0.9571 | -246.7 | -183.7 | |
| 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. | |