SDO HMI 2014-05-19 21:00:38 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 |
| 12.14 | 32.74 | 11.91 | 32.84 | -18.02 | 217.82 | 59.58 | 250.45 | 0.8719 | 2.8 | 274.4 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-05-19 21:00:38 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 |
| 3.24 | 13.94 | 3.40 | 14.56 | -18.57 | 219.23 | 60.99 | 250.04 | 0.8839 | 546.0 | 346.6 | |
| 0.00 | 0.45 | 0.00 | 0.47 | -18.26 | 219.04 | 60.80 | 250.37 | 0.8821 | 351.0 | 313.4 | |
| 0.00 | 3.24 | 0.00 | 3.26 | -17.37 | 218.02 | 59.78 | 251.23 | 0.8730 | 578.0 | 490.5 | |
| 0.00 | 2.07 | 0.00 | 2.10 | -17.68 | 218.13 | 59.89 | 250.89 | 0.8742 | 415.0 | 316.9 | |
| 1.44 | 2.97 | 1.35 | 2.78 | -15.45 | 215.68 | 57.44 | 253.10 | 0.8511 | -504.6 | -356.3 | |
| 7.46 | 10.07 | 7.16 | 9.67 | -18.22 | 216.11 | 57.87 | 249.95 | 0.8583 | -346.0 | -11.2 | |
| 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. | |