SDO HMI 2014-04-09 17:00:33 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 | 11.72 | 0.00 | 6.34 | -18.54 | 347.37 | 18.32 | 231.61 | 0.3932 | -245.2 | -170.1 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-04-09 17:00:33 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 | 0.62 | 0.00 | 0.37 | -17.41 | 1.54 | 32.50 | 247.42 | 0.5574 | 677.0 | 565.9 | |
| 0.00 | 0.97 | 0.00 | 0.56 | -14.25 | 358.77 | 29.73 | 251.96 | 0.5076 | 510.0 | 455.9 | |
| 0.00 | 0.70 | 0.00 | 0.39 | -16.57 | 352.60 | 23.56 | 243.44 | 0.4301 | -688.0 | -524.9 | |
| 0.00 | 1.06 | 0.00 | 0.56 | -10.47 | 349.41 | 20.37 | 256.20 | 0.3540 | -768.0 | -599.8 | |
| 0.00 | 0.97 | 0.00 | 0.52 | -17.10 | 349.92 | 20.88 | 239.73 | 0.3961 | -821.0 | -675.6 | |
| 0.00 | 0.88 | 0.00 | 0.47 | -14.09 | 348.85 | 19.80 | 245.99 | 0.3613 | -857.0 | -715.5 | |
| 0.00 | 0.97 | 0.00 | 0.53 | -22.95 | 349.28 | 20.24 | 226.98 | 0.4375 | -721.0 | -520.7 | |
| 0.00 | 1.85 | 0.00 | 0.98 | -15.87 | 347.20 | 18.16 | 239.55 | 0.3492 | 0.0 | -7.4 | |
| 0.00 | 0.88 | 0.00 | 0.47 | -22.96 | 340.89 | 11.85 | 212.80 | 0.3506 | 9.0 | 6.4 | |
| 0.00 | 0.97 | 0.00 | 0.51 | -24.00 | 339.11 | 10.07 | 207.25 | 0.3504 | -6.0 | -0.7 | |
| 0.00 | 1.85 | 0.00 | 0.98 | -25.04 | 336.71 | 7.67 | 200.31 | 0.3500 | -32.0 | -30.2 | |
| 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. | |