SDO HMI 2014-04-16 12:00:34 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 |
| 32.92 | 235.84 | 18.79 | 134.11 | 12.11 | 262.87 | 23.49 | 307.62 | 0.4927 | -700.6 | -359.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-04-16 12:00:34 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 |
| 24.07 | 225.84 | 13.76 | 128.83 | 12.13 | 263.67 | 24.29 | 306.21 | 0.5005 | -1210.8 | -405.1 | |
| 8.85 | -1.00 | 5.03 | -1.00 | 11.89 | 263.28 | 23.90 | 306.27 | 0.4937 | -1461.4 | 999999 | |
| 0.00 | 0.53 | 0.00 | 0.30 | 12.86 | 262.84 | 23.46 | 308.36 | 0.4969 | -390.0 | -234.0 | |
| 0.00 | 0.80 | 0.00 | 0.43 | 16.02 | 250.21 | 10.83 | 333.67 | 0.4091 | 754.0 | 626.1 | |
| 0.00 | 1.59 | 0.00 | 0.84 | 12.71 | 246.99 | 7.61 | 337.49 | 0.3387 | 970.0 | 805.7 | |
| 0.00 | 1.06 | 0.00 | 0.56 | 13.46 | 246.33 | 6.94 | 340.06 | 0.3464 | 713.0 | 563.7 | |
| 0.00 | 1.42 | 0.00 | 0.75 | 13.43 | 245.98 | 6.60 | 340.94 | 0.3439 | 893.0 | 675.6 | |
| 0.00 | 0.80 | 0.00 | 0.41 | 11.32 | 243.92 | 4.54 | 344.96 | 0.3006 | 872.0 | 743.0 | |
| 0.00 | 2.12 | 0.00 | 1.10 | 11.60 | 243.80 | 4.42 | 345.58 | 0.3047 | 762.0 | 687.2 | |
| 0.00 | 1.68 | 0.00 | 0.89 | 14.58 | 240.84 | 1.46 | 355.88 | 0.3456 | 669.0 | 478.9 | |
| 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. | |