SDO HMI 2014-03-17 02:00:30 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 |
| 15.30 | 41.07 | 8.11 | 21.74 | 13.19 | 284.33 | 3.69 | 349.67 | 0.3554 | -151.8 | -383.3 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-17 02:00:30 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 |
| 1.91 | 4.78 | 1.01 | 2.53 | 12.64 | 285.82 | 5.18 | 345.39 | 0.3507 | -880.5 | -590.7 | |
| 2.87 | 20.62 | 1.52 | 10.90 | 12.66 | 285.39 | 4.75 | 346.57 | 0.3494 | -1022.1 | -744.6 | |
| 5.13 | -2.00 | 2.71 | -2.00 | 12.92 | 285.18 | 4.54 | 347.31 | 0.3527 | -935.0 | 999999 | |
| 0.00 | 1.83 | 0.00 | 0.97 | 13.23 | 284.69 | 4.05 | 348.80 | 0.3561 | -731.0 | -563.7 | |
| 0.00 | 1.57 | 0.00 | 0.82 | 12.21 | 284.64 | 4.01 | 348.35 | 0.3396 | -560.0 | -512.8 | |
| 0.00 | 0.70 | 0.00 | 0.37 | 11.89 | 284.06 | 3.42 | 349.84 | 0.3326 | 625.0 | 445.9 | |
| 0.00 | 1.04 | 0.00 | 0.55 | 13.26 | 283.86 | 3.23 | 351.06 | 0.3542 | -562.0 | -479.2 | |
| 0.00 | 2.09 | 0.00 | 1.11 | 14.56 | 282.28 | 1.64 | 355.71 | 0.3724 | 898.0 | 679.8 | |
| 0.00 | 1.22 | 0.00 | 0.65 | 14.37 | 282.18 | 1.55 | 355.92 | 0.3691 | 675.0 | 574.6 | |
| 5.39 | 7.22 | 2.87 | 3.84 | 14.33 | 281.60 | 0.96 | 357.45 | 0.3680 | 867.5 | 592.4 | |
| 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. | |