SDO HMI 2011-12-13 13:58:55 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 |
| 32.51 | 165.14 | 16.35 | 83.10 | 8.72 | 356.88 | -3.54 | 20.32 | 0.1757 | -848.5 | -412.8 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-12-13 13:58:55 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 |
| 28.17 | 150.24 | 14.17 | 75.58 | 8.77 | 357.18 | -3.24 | 18.82 | 0.1739 | -1335.3 | -464.2 | |
| 2.81 | -1.00 | 1.41 | -1.00 | 8.56 | 356.56 | -3.87 | 22.59 | 0.1744 | -969.1 | 999999 | |
| 0.00 | 4.94 | 0.00 | 2.48 | 8.32 | 356.32 | -4.10 | 24.39 | 0.1722 | -681.0 | -650.0 | |
| 0.00 | 0.94 | 0.00 | 0.47 | 8.29 | 355.99 | -4.43 | 26.16 | 0.1742 | -762.0 | -635.2 | |
| 1.53 | 2.38 | 0.77 | 1.20 | 8.44 | 355.30 | -5.12 | 29.16 | 0.1820 | -759.6 | -607.8 | |
| 0.00 | 1.36 | 0.00 | 0.69 | 9.01 | 354.90 | -5.52 | 29.48 | 0.1939 | 1013.0 | 819.8 | |
| 0.00 | 3.15 | 0.00 | 1.60 | 9.55 | 354.02 | -6.40 | 31.80 | 0.2095 | 563.0 | 742.6 | |
| 0.00 | 1.11 | 0.00 | 0.56 | 6.72 | 349.47 | -10.95 | 55.77 | 0.2292 | 874.0 | 612.4 | |
| 0.00 | 1.02 | 0.00 | 0.52 | 6.60 | 348.56 | -11.86 | 58.25 | 0.2411 | 901.0 | 725.9 | |
| 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. | |