SDO HMI 2014-05-18 00:00:38 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 |
| 58.16 | 180.86 | 30.35 | 94.39 | -16.47 | 194.85 | 11.81 | 218.62 | 0.3151 | 215.0 | 78.7 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-05-18 00:00:38 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 |
| 2.52 | 115.77 | 1.32 | 60.78 | -16.51 | 195.92 | 12.88 | 221.05 | 0.3269 | 1098.2 | 440.2 | |
| 34.78 | -1.00 | 18.27 | -1.00 | -17.10 | 195.83 | 12.79 | 219.64 | 0.3332 | 1094.7 | 999999 | |
| 0.00 | 1.62 | 0.00 | 0.84 | -14.27 | 194.88 | 11.85 | 223.82 | 0.2886 | 820.0 | 698.2 | |
| 0.00 | 1.98 | 0.00 | 1.02 | -14.86 | 194.82 | 11.78 | 222.24 | 0.2949 | 957.0 | 773.1 | |
| 0.00 | 0.72 | 0.00 | 0.37 | -15.96 | 194.04 | 11.01 | 217.90 | 0.3002 | -594.0 | -443.1 | |
| 0.00 | 0.72 | 0.00 | 0.37 | -15.46 | 193.95 | 10.92 | 218.76 | 0.2929 | -800.0 | -592.8 | |
| 0.00 | 3.60 | 0.00 | 1.86 | -15.93 | 193.46 | 10.43 | 216.49 | 0.2940 | -493.0 | -533.6 | |
| 1.17 | 56.45 | 0.60 | 29.15 | -15.56 | 193.35 | 10.31 | 216.99 | 0.2879 | -898.0 | -711.7 | |
| 1.80 | -8.00 | 0.93 | -8.00 | -15.56 | 193.12 | 10.09 | 216.40 | 0.2857 | -1174.9 | 999999 | |
| 17.62 | -8.00 | 9.09 | -8.00 | -15.40 | 192.89 | 9.86 | 216.11 | 0.2814 | -1182.4 | 999999 | |
| 0.27 | -8.00 | 0.14 | -8.00 | -15.19 | 192.63 | 9.60 | 215.85 | 0.2759 | -1005.3 | 999999 | |
| 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. | |