SDO HMI 2014-04-01 23:00:32 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 | 15.27 | 0.00 | 8.73 | 17.36 | 89.57 | 18.27 | 323.14 | 0.5009 | -607.1 | -472.3 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-04-01 23:00:32 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 | 0.97 | 0.00 | 0.56 | 17.87 | 90.48 | 19.18 | 322.45 | 0.5152 | -909.0 | -713.1 | |
| 0.00 | 0.44 | 0.00 | 0.25 | 18.12 | 90.28 | 18.98 | 323.06 | 0.5164 | -642.0 | -520.0 | |
| 0.00 | 1.40 | 0.00 | 0.81 | 18.36 | 90.30 | 19.01 | 323.30 | 0.5193 | -642.0 | -500.5 | |
| 0.00 | 2.54 | 0.00 | 1.47 | 18.12 | 90.11 | 18.81 | 323.29 | 0.5148 | -765.0 | -614.4 | |
| 0.00 | 0.88 | 0.00 | 0.50 | 17.06 | 89.96 | 18.66 | 322.19 | 0.5011 | -705.0 | -564.0 | |
| 0.00 | 1.32 | 0.00 | 0.77 | 19.18 | 90.13 | 18.84 | 324.52 | 0.5274 | -626.0 | -458.2 | |
| 0.00 | 1.05 | 0.00 | 0.60 | 16.40 | 89.73 | 18.43 | 321.69 | 0.4912 | -813.0 | -749.0 | |
| 0.00 | 1.49 | 0.00 | 0.85 | 17.11 | 89.44 | 18.14 | 323.03 | 0.4968 | -792.0 | -651.9 | |
| 0.00 | 2.19 | 0.00 | 1.25 | 17.36 | 89.23 | 17.93 | 323.66 | 0.4980 | -730.0 | -493.5 | |
| 0.00 | 1.32 | 0.00 | 0.75 | 17.69 | 89.20 | 17.90 | 324.11 | 0.5016 | -792.0 | -634.9 | |
| 0.00 | 1.67 | 0.00 | 0.92 | 14.00 | 87.40 | 16.11 | 322.13 | 0.4404 | 738.0 | 485.1 | |
| 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. | |