SDO HMI 2014-07-16 20:01:25 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 | 5.65 | 0.00 | 4.28 | 9.04 | 160.23 | 49.05 | 278.35 | 0.7499 | 92.0 | -27.8 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-07-16 20:01:25 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 | 0.64 | 0.00 | 0.62 | 7.81 | 170.91 | 59.73 | 276.44 | 0.8631 | -425.0 | -385.0 | |
| 0.00 | 0.64 | 0.00 | 0.62 | 8.01 | 170.77 | 59.59 | 276.66 | 0.8619 | -385.0 | -343.7 | |
| 0.00 | 1.45 | 0.00 | 1.10 | 10.23 | 160.47 | 49.29 | 279.66 | 0.7590 | -541.0 | -467.6 | |
| 0.00 | 0.73 | 0.00 | 0.52 | 5.36 | 157.12 | 45.93 | 273.13 | 0.7188 | 510.0 | 432.4 | |
| 0.00 | 0.64 | 0.00 | 0.42 | 9.52 | 152.73 | 41.55 | 279.32 | 0.6652 | 336.0 | 335.0 | |
| 0.00 | 0.64 | 0.00 | 0.41 | 10.65 | 151.67 | 40.49 | 281.17 | 0.6527 | 568.0 | 469.3 | |
| 0.00 | 0.91 | 0.00 | 0.59 | 10.97 | 151.52 | 40.34 | 281.67 | 0.6512 | 581.0 | 486.2 | |
| 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. | |