SDO HMI 2011-10-14 15:59:02 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 |
| 2.45 | 15.82 | 1.58 | 10.36 | 20.47 | 109.78 | 39.47 | 294.66 | 0.6574 | 150.9 | -209.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-10-14 15:59:02 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 | 0.61 | 0.00 | 0.41 | 20.97 | 111.76 | 41.44 | 294.65 | 0.6823 | -369.0 | -325.0 | |
| 0.00 | 6.64 | 0.00 | 4.41 | 20.44 | 110.69 | 40.38 | 294.27 | 0.6682 | -949.0 | -747.9 | |
| 0.00 | 0.79 | 0.00 | 0.52 | 21.03 | 110.72 | 40.40 | 295.12 | 0.6704 | -683.0 | -598.4 | |
| 0.00 | 1.14 | 0.00 | 0.73 | 19.60 | 108.79 | 38.47 | 293.72 | 0.6424 | 645.0 | 489.7 | |
| 2.45 | 4.19 | 1.58 | 2.71 | 20.15 | 108.86 | 38.55 | 294.52 | 0.6453 | 704.6 | 643.8 | |
| 0.00 | 0.96 | 0.00 | 0.62 | 19.91 | 108.79 | 38.48 | 294.18 | 0.6436 | 577.0 | 556.3 | |
| 0.00 | 0.79 | 0.00 | 0.51 | 22.22 | 108.81 | 38.49 | 297.61 | 0.6525 | 573.0 | 529.4 | |
| 0.00 | 0.70 | 0.00 | 0.45 | 21.86 | 107.55 | 37.23 | 297.64 | 0.6361 | 387.0 | 454.9 | |
| 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. | |