SDO HMI 2014-03-16 12:00:29 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 |
| 11.99 | 34.44 | 6.37 | 18.27 | 13.11 | 283.37 | -4.97 | 13.60 | 0.3578 | -78.9 | -102.7 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-16 12:00:29 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 |
| 4.52 | 6.96 | 2.38 | 3.67 | 12.58 | 285.18 | -3.16 | 9.07 | 0.3428 | -1069.6 | -801.8 | |
| 0.00 | 2.61 | 0.00 | 1.38 | 12.55 | 284.42 | -3.93 | 11.23 | 0.3446 | -984.0 | -732.6 | |
| 2.43 | 7.91 | 1.29 | 4.18 | 12.68 | 284.26 | -4.08 | 11.59 | 0.3472 | -980.4 | -748.3 | |
| 0.00 | 1.48 | 0.00 | 0.78 | 12.69 | 283.80 | -4.54 | 12.85 | 0.3489 | -658.0 | -500.8 | |
| 0.00 | 0.96 | 0.00 | 0.51 | 12.98 | 283.65 | -4.70 | 13.09 | 0.3540 | -763.0 | -596.7 | |
| 0.00 | 1.22 | 0.00 | 0.65 | 13.88 | 282.36 | -5.98 | 15.78 | 0.3736 | 924.0 | 717.6 | |
| 0.00 | 4.35 | 0.00 | 2.33 | 14.08 | 282.02 | -6.33 | 16.49 | 0.3782 | 626.0 | 706.1 | |
| 5.04 | 7.30 | 2.70 | 3.90 | 13.93 | 281.59 | -6.76 | 17.67 | 0.3779 | 1038.3 | 751.8 | |
| 0.00 | 1.65 | 0.00 | 0.87 | 11.93 | 281.61 | -6.73 | 19.41 | 0.3468 | 886.0 | 752.1 | |
| 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. | |