SDO HMI 2014-03-30 03:00:31 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 | 10.44 | 0.00 | 5.73 | -12.28 | 83.33 | -25.34 | 104.49 | 0.4329 | 362.4 | 292.7 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-30 03:00:31 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 | 0.79 | 0.00 | 0.41 | -11.61 | 89.87 | -18.80 | 106.30 | 0.3304 | 720.0 | 640.7 | |
| 0.00 | 1.58 | 0.00 | 0.83 | -10.48 | 88.59 | -20.08 | 102.28 | 0.3470 | 790.0 | 564.8 | |
| 0.00 | 0.88 | 0.00 | 0.48 | -12.33 | 84.88 | -23.79 | 105.39 | 0.4105 | 802.0 | 679.2 | |
| 0.00 | 1.14 | 0.00 | 0.62 | -11.52 | 83.71 | -24.96 | 102.99 | 0.4261 | 807.0 | 640.3 | |
| 0.00 | 2.98 | 0.00 | 1.63 | -11.76 | 83.62 | -25.05 | 103.51 | 0.4281 | 656.0 | 594.6 | |
| 0.00 | 0.35 | 0.00 | 0.19 | -11.51 | 83.51 | -25.16 | 102.89 | 0.4292 | 371.0 | 306.0 | |
| 0.00 | 0.88 | 0.00 | 0.50 | -12.68 | 78.92 | -29.75 | 103.91 | 0.5008 | -603.0 | -515.2 | |
| 0.00 | 1.84 | 0.00 | 1.07 | -15.11 | 77.41 | -31.26 | 108.05 | 0.5290 | -644.0 | -510.5 | |
| 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. | |