SDO HMI 2014-04-18 20:00:34 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 |
| 34.98 | 210.59 | 22.40 | 134.04 | -9.24 | 247.44 | 38.88 | 261.80 | 0.6276 | 366.1 | 160.1 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-04-18 20:00:34 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 |
| 0.00 | 0.44 | 0.00 | 0.29 | -6.73 | 250.06 | 41.50 | 265.86 | 0.6621 | 562.0 | 554.2 | |
| 23.91 | 131.61 | 15.61 | 86.01 | -8.89 | 249.38 | 40.83 | 262.55 | 0.6537 | 1010.5 | 309.9 | |
| 2.66 | 4.34 | 1.71 | 2.79 | -8.92 | 248.27 | 39.71 | 262.43 | 0.6390 | 839.0 | 679.1 | |
| 0.00 | 0.97 | 0.00 | 0.62 | -10.18 | 247.02 | 38.46 | 260.33 | 0.6233 | -714.0 | -601.4 | |
| 0.00 | 1.59 | 0.00 | 0.98 | -10.03 | 244.65 | 36.09 | 260.26 | 0.5908 | -434.0 | -420.5 | |
| 0.00 | 1.24 | 0.00 | 0.76 | -10.46 | 244.67 | 36.11 | 259.55 | 0.5915 | -532.0 | -418.8 | |
| 0.00 | 0.71 | 0.00 | 0.43 | -10.38 | 244.43 | 35.87 | 259.64 | 0.5881 | -564.0 | -469.6 | |
| 0.00 | 5.67 | 0.00 | 3.46 | -10.51 | 244.29 | 35.74 | 259.40 | 0.5864 | -622.0 | -576.6 | |
| 0.00 | 1.68 | 0.00 | 1.02 | -9.82 | 244.13 | 35.57 | 260.56 | 0.5833 | -558.0 | -471.9 | |
| 0.00 | 4.34 | 0.00 | 2.64 | -10.09 | 244.09 | 35.53 | 260.08 | 0.5830 | -705.0 | -642.0 | |
| 5.14 | 35.16 | 3.11 | 21.28 | -9.99 | 243.66 | 35.11 | 260.19 | 0.5770 | -817.2 | 72.6 | |
| 0.00 | 10.89 | 0.00 | 6.60 | -10.47 | 243.72 | 35.17 | 259.36 | 0.5785 | -800.0 | -716.4 | |
| 1.06 | 3.10 | 0.64 | 1.87 | -9.06 | 243.52 | 34.96 | 261.79 | 0.5739 | 922.1 | 687.0 | |
| 0.00 | 1.24 | 0.00 | 0.75 | -9.25 | 243.39 | 34.83 | 261.44 | 0.5723 | 435.0 | 341.4 | |
| 2.21 | -11.00 | 1.33 | -11.00 | -9.80 | 243.23 | 34.67 | 260.45 | 0.5706 | -832.8 | 999999 | |
| 0.00 | 1.59 | 0.00 | 0.96 | -8.91 | 242.87 | 34.31 | 261.98 | 0.5646 | 755.0 | 655.8 | |
| 0.00 | 1.42 | 0.00 | 0.85 | -9.15 | 242.90 | 34.34 | 261.55 | 0.5652 | 862.0 | 681.9 | |
| 0.00 | 2.83 | 0.00 | 1.68 | -8.98 | 242.11 | 33.55 | 261.76 | 0.5537 | 673.0 | 644.2 | |
| 0.00 | 1.77 | 0.00 | 1.05 | -8.65 | 242.04 | 33.48 | 262.35 | 0.5524 | 817.0 | 712.0 | |
| 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. | |