SDO HMI 2014-03-09 04:00:29 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 |
| 3.81 | 17.94 | 3.69 | 17.25 | -26.63 | 83.81 | 58.83 | 243.19 | 0.8588 | -443.0 | -430.3 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-09 04:00:29 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 |
| 0.00 | 0.69 | 0.00 | 0.76 | -25.63 | 88.53 | 63.56 | 244.88 | 0.8935 | -151.0 | -108.4 | |
| 1.99 | 8.32 | 1.94 | 8.06 | -26.51 | 84.23 | 59.25 | 243.40 | 0.8621 | -268.9 | -283.9 | |
| 1.82 | -2.00 | 1.75 | -2.00 | -26.51 | 83.96 | 58.99 | 243.37 | 0.8600 | -489.6 | 999999 | |
| 0.00 | 5.29 | 0.00 | 5.04 | -26.65 | 83.50 | 58.53 | 243.14 | 0.8565 | -716.0 | -577.7 | |
| 0.00 | 0.61 | 0.00 | 0.58 | -27.04 | 83.83 | 58.85 | 242.73 | 0.8596 | -450.0 | -363.9 | |
| 0.00 | 1.82 | 0.00 | 1.74 | -27.13 | 83.58 | 58.60 | 242.59 | 0.8578 | -638.0 | -536.0 | |
| 0.00 | 0.69 | 0.00 | 0.61 | -25.99 | 80.07 | 55.09 | 243.35 | 0.8269 | -446.0 | -397.0 | |
| 0.00 | 0.52 | 0.00 | 0.46 | -28.67 | 80.05 | 55.08 | 240.17 | 0.8315 | -513.0 | -460.5 | |
| 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. | |