SDO HMI 2014-03-31 17:00:31 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 |
| 3.07 | 24.89 | 1.62 | 14.82 | -14.68 | 119.12 | 31.32 | 251.33 | 0.5273 | -41.1 | -34.4 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-31 17:00:31 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 | 0.34 | -7.34 | 139.14 | 51.34 | 265.85 | 0.7788 | 478.0 | 399.4 | |
| 0.00 | 1.14 | 0.00 | 0.83 | -7.92 | 135.63 | 47.82 | 265.27 | 0.7389 | 498.0 | 445.5 | |
| 0.00 | 1.23 | 0.00 | 0.89 | -7.57 | 135.04 | 47.23 | 265.76 | 0.7321 | 686.0 | 602.9 | |
| 0.00 | 0.88 | 0.00 | 0.62 | -10.58 | 133.28 | 45.48 | 261.59 | 0.7109 | 569.0 | 454.2 | |
| 0.00 | 0.96 | 0.00 | 0.69 | -17.84 | 134.11 | 46.31 | 251.58 | 0.7277 | 610.0 | 519.5 | |
| 0.00 | 1.14 | 0.00 | 0.81 | -20.85 | 133.00 | 45.20 | 247.23 | 0.7214 | 635.0 | 542.2 | |
| 0.00 | 1.14 | 0.00 | 0.73 | -21.56 | 125.38 | 37.57 | 243.67 | 0.6351 | 510.0 | 447.1 | |
| 0.00 | 1.40 | 0.00 | 0.81 | -10.93 | 119.00 | 31.20 | 259.71 | 0.5190 | 700.0 | 601.5 | |
| 0.00 | 2.72 | 0.00 | 1.58 | -19.36 | 117.44 | 29.64 | 243.22 | 0.5248 | -679.0 | -595.6 | |
| 0.00 | 0.79 | 0.00 | 0.45 | -16.47 | 115.68 | 27.87 | 247.60 | 0.4869 | -725.0 | -604.4 | |
| 0.00 | 1.14 | 0.00 | 0.64 | -13.27 | 114.82 | 27.02 | 253.75 | 0.4624 | -740.0 | -602.1 | |
| 0.00 | 2.28 | 0.00 | 1.24 | -15.50 | 111.02 | 23.21 | 246.61 | 0.4156 | 621.0 | 355.5 | |
| 0.00 | 2.45 | 0.00 | 1.33 | -15.66 | 110.26 | 22.46 | 245.67 | 0.4054 | -734.0 | -589.6 | |
| 0.00 | 0.79 | 0.00 | 0.43 | -15.59 | 109.75 | 21.94 | 245.41 | 0.3976 | -838.0 | -729.0 | |
| 3.07 | 5.08 | 1.62 | 2.69 | -10.64 | 108.21 | 20.41 | 257.18 | 0.3531 | -1082.6 | -832.2 | |
| 0.00 | 1.31 | 0.00 | 0.74 | -26.32 | 109.26 | 21.46 | 223.54 | 0.4780 | -520.0 | -350.1 | |
| 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. | |