SDO HMI 2014-04-09 14:00:33 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 |
| 0.53 | 9.09 | 0.35 | 5.80 | -8.05 | 10.08 | 39.38 | 264.68 | 0.6330 | 468.4 | 180.3 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-04-09 14:00:33 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 | 0.97 | 0.00 | 0.64 | -8.30 | 12.44 | 41.74 | 264.27 | 0.6644 | 632.0 | 552.5 | |
| 0.00 | 1.50 | 0.00 | 0.99 | -9.17 | 12.11 | 41.41 | 262.94 | 0.6603 | 607.0 | 508.4 | |
| 0.53 | 1.59 | 0.35 | 1.04 | -8.13 | 11.89 | 41.19 | 264.53 | 0.6572 | 750.3 | 639.7 | |
| 0.00 | 1.50 | 0.00 | 0.95 | -9.13 | 9.90 | 39.20 | 262.91 | 0.6312 | 699.0 | 601.9 | |
| 0.00 | 3.53 | 0.00 | 2.18 | -6.95 | 7.69 | 36.99 | 266.43 | 0.6007 | -445.0 | -408.2 | |
| 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. | |