SDO HMI 2014-09-08 09:01:21 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 |
| 9.64 | 24.17 | 5.73 | 14.36 | -13.16 | 150.07 | 26.67 | 232.48 | 0.5539 | 304.9 | 311.4 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-09-08 09:01:21 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 |
| 7.05 | 18.47 | 4.19 | 10.97 | -12.41 | 150.72 | 27.32 | 234.26 | 0.5544 | 940.6 | 676.8 | |
| 1.07 | -1.00 | 0.64 | -1.00 | -12.66 | 150.64 | 27.25 | 233.81 | 0.5556 | 818.2 | 999999 | |
| 1.52 | -1.00 | 0.90 | -1.00 | -12.46 | 150.48 | 27.08 | 233.95 | 0.5520 | 1037.6 | 999999 | |
| 0.00 | 0.80 | 0.00 | 0.48 | -15.88 | 149.23 | 25.84 | 227.76 | 0.5684 | -495.0 | -458.8 | |
| 0.00 | 1.16 | 0.00 | 0.70 | -16.04 | 149.12 | 25.72 | 227.42 | 0.5686 | -749.0 | -651.8 | |
| 0.00 | 1.78 | 0.00 | 1.05 | -14.71 | 148.11 | 24.72 | 228.12 | 0.5453 | 480.0 | 438.9 | |
| 0.00 | 1.25 | 0.00 | 0.74 | -15.72 | 147.51 | 24.12 | 226.03 | 0.5487 | -712.0 | -569.1 | |
| 0.00 | 0.71 | 0.00 | 0.42 | -15.68 | 146.27 | 22.88 | 224.57 | 0.5355 | -651.0 | -544.6 | |
| 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. | |