SDO HMI 2011-03-04 10:58:59 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 |
| 10.10 | 22.29 | 13.93 | 30.70 | 24.55 | 215.69 | 62.78 | 299.88 | 0.9341 | -211.7 | -21.1 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-03-04 10:58:59 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 |
| 5.10 | 14.77 | 7.26 | 21.18 | 24.48 | 216.59 | 63.68 | 299.52 | 0.9390 | -511.2 | -181.9 | |
| 2.07 | -1.00 | 2.99 | -1.00 | 24.84 | 216.78 | 63.87 | 299.83 | 0.9406 | -357.4 | 999999 | |
| 0.00 | 1.30 | 0.00 | 1.74 | 25.53 | 214.80 | 61.89 | 301.15 | 0.9316 | 244.0 | 188.9 | |
| 2.07 | 4.41 | 2.54 | 5.39 | 23.67 | 212.84 | 59.94 | 299.91 | 0.9162 | 422.2 | 354.1 | |
| 0.86 | 1.81 | 1.14 | 2.39 | 25.47 | 214.25 | 61.34 | 301.27 | 0.9285 | 266.0 | 234.0 | |
| 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. | |