SDO HMI 2011-08-29 06:59:08 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 | 22.79 | 0.00 | 12.69 | 7.66 | 349.71 | 27.23 | 272.88 | 0.4554 | -90.7 | -460.9 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-08-29 06:59:08 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 | 13.45 | 0.00 | 7.62 | 7.54 | 351.66 | 29.18 | 272.67 | 0.4859 | -927.0 | -680.1 | |
| 0.00 | 2.87 | 0.00 | 1.62 | 8.41 | 351.20 | 28.73 | 274.50 | 0.4789 | -819.0 | -707.3 | |
| 0.00 | 0.99 | 0.00 | 0.53 | 7.12 | 346.60 | 24.13 | 271.47 | 0.4075 | -787.0 | -618.7 | |
| 0.00 | 1.88 | 0.00 | 1.02 | 7.45 | 346.55 | 24.08 | 272.30 | 0.4066 | -741.0 | -568.5 | |
| 0.00 | 1.17 | 0.00 | 0.62 | 8.33 | 343.42 | 20.95 | 274.67 | 0.3565 | 724.0 | 625.5 | |
| 0.00 | 1.26 | 0.00 | 0.66 | 7.46 | 343.25 | 20.77 | 272.21 | 0.3535 | 935.0 | 812.6 | |
| 0.00 | 1.17 | 0.00 | 0.62 | 7.50 | 342.89 | 20.42 | 272.34 | 0.3477 | 980.0 | 748.5 | |
| 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. | |