SDO HMI 2014-09-22 12:00:34 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 | 6.91 | 0.00 | 4.37 | -9.53 | 331.34 | 34.42 | 244.52 | 0.6174 | 258.7 | 255.8 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-09-22 12:00:34 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 | 0.80 | 0.00 | 0.58 | -13.53 | 339.84 | 42.92 | 244.24 | 0.7375 | 490.0 | 460.1 | |
| 0.00 | 0.89 | 0.00 | 0.61 | -10.84 | 336.86 | 39.94 | 246.14 | 0.6917 | 528.0 | 436.8 | |
| 0.00 | 1.24 | 0.00 | 0.77 | -6.96 | 331.11 | 34.19 | 248.40 | 0.6022 | 716.0 | 565.5 | |
| 0.00 | 1.15 | 0.00 | 0.71 | -7.78 | 330.82 | 33.89 | 246.95 | 0.6027 | 642.0 | 421.4 | |
| 0.00 | 1.24 | 0.00 | 0.74 | -8.35 | 327.34 | 30.42 | 243.60 | 0.5614 | -617.0 | -518.8 | |
| 0.00 | 1.06 | 0.00 | 0.65 | -11.96 | 326.86 | 29.94 | 237.63 | 0.5804 | 785.0 | 672.9 | |
| 0.00 | 0.53 | 0.00 | 0.31 | -7.57 | 325.29 | 28.37 | 243.24 | 0.5296 | -733.0 | -646.7 | |
| 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. | |