SDO HMI 2014-04-17 05:00:34 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 |
| 22.50 | 106.65 | 16.94 | 80.13 | -13.18 | 181.18 | -48.82 | 102.78 | 0.7537 | 334.5 | 67.7 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-04-17 05:00:34 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 | 0.89 | 0.00 | 0.58 | -12.72 | 189.18 | -40.83 | 103.16 | 0.6573 | 550.0 | 436.9 | |
| 0.00 | 1.24 | 0.00 | 0.86 | -7.50 | 185.37 | -44.64 | 95.16 | 0.7018 | 398.0 | 343.5 | |
| 0.00 | 0.27 | 0.00 | 0.19 | -7.32 | 184.13 | -45.87 | 94.92 | 0.7169 | 356.0 | 375.3 | |
| 0.80 | 2.48 | 0.58 | 1.80 | -12.68 | 182.86 | -47.15 | 102.26 | 0.7343 | 605.2 | 452.6 | |
| 0.00 | 2.48 | 0.00 | 1.83 | -12.59 | 182.01 | -48.00 | 102.05 | 0.7440 | -571.0 | -428.9 | |
| 15.68 | 76.52 | 11.75 | 57.37 | -13.51 | 181.29 | -48.71 | 103.23 | 0.7528 | 949.0 | 221.0 | |
| 0.00 | 1.24 | 0.00 | 0.95 | -15.64 | 180.50 | -49.51 | 105.93 | 0.7638 | 441.0 | 390.6 | |
| 2.13 | 3.72 | 1.62 | 2.84 | -11.97 | 180.28 | -49.73 | 101.10 | 0.7629 | -721.4 | -538.7 | |
| 2.92 | 13.64 | 2.24 | 10.51 | -12.54 | 180.08 | -49.93 | 101.83 | 0.7655 | -793.8 | -600.2 | |
| 0.97 | -9.00 | 0.75 | -9.00 | -12.83 | 179.81 | -50.20 | 102.18 | 0.7686 | -828.0 | 999999 | |
| 0.00 | 0.89 | 0.00 | 0.68 | -12.31 | 179.90 | -50.11 | 101.52 | 0.7673 | -485.0 | -403.8 | |
| 0.00 | 3.28 | 0.00 | 2.52 | -12.07 | 179.96 | -50.04 | 101.21 | 0.7665 | -615.0 | -445.3 | |
| 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. | |