SDO HMI 2014-04-08 17:00:33 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 |
| 1.23 | 27.48 | 0.70 | 15.24 | -8.68 | 8.92 | 26.67 | 262.72 | 0.4497 | 297.1 | 128.5 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-04-08 17:00:33 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 | 1.14 | 0.00 | 0.65 | -8.23 | 12.06 | 29.82 | 264.05 | 0.4969 | 755.0 | 575.8 | |
| 0.00 | 1.59 | 0.00 | 0.90 | -8.82 | 11.76 | 29.52 | 262.83 | 0.4928 | 764.0 | 675.6 | |
| 0.00 | 0.97 | 0.00 | 0.55 | -10.62 | 11.76 | 29.52 | 259.17 | 0.4951 | -693.0 | -583.2 | |
| 1.23 | 3.35 | 0.70 | 1.90 | -8.26 | 11.51 | 29.27 | 263.95 | 0.4885 | 1024.6 | 782.4 | |
| 0.00 | 1.23 | 0.00 | 0.70 | -8.14 | 11.36 | 29.12 | 264.17 | 0.4862 | 929.0 | 639.4 | |
| 0.00 | 1.41 | 0.00 | 0.80 | -8.56 | 11.36 | 29.12 | 263.30 | 0.4864 | 783.0 | 664.2 | |
| 0.00 | 0.88 | 0.00 | 0.50 | -8.39 | 11.17 | 28.93 | 263.64 | 0.4835 | 682.0 | 594.3 | |
| 0.00 | 1.76 | 0.00 | 0.99 | -8.91 | 11.08 | 28.83 | 262.56 | 0.4824 | 772.0 | 643.8 | |
| 0.00 | 2.03 | 0.00 | 1.13 | -7.96 | 9.66 | 27.41 | 264.44 | 0.4601 | 823.0 | 663.2 | |
| 0.00 | 0.88 | 0.00 | 0.49 | -10.47 | 9.42 | 27.18 | 258.93 | 0.4596 | 708.0 | 579.2 | |
| 0.00 | 4.05 | 0.00 | 2.20 | -7.49 | 6.56 | 24.32 | 265.26 | 0.4114 | -643.0 | -521.0 | |
| 0.00 | 4.05 | 0.00 | 2.19 | -7.69 | 6.17 | 23.93 | 264.74 | 0.4054 | -819.0 | -655.6 | |
| 0.00 | 0.79 | 0.00 | 0.44 | -17.09 | 6.62 | 24.38 | 243.13 | 0.4441 | 710.0 | 553.1 | |
| 0.00 | 1.06 | 0.00 | 0.57 | -7.75 | 5.42 | 23.18 | 264.50 | 0.3934 | -799.0 | -639.9 | |
| 0.00 | 1.06 | 0.00 | 0.57 | -8.28 | 5.05 | 22.81 | 263.10 | 0.3881 | -731.0 | -584.7 | |
| 0.00 | 1.23 | 0.00 | 0.66 | -11.87 | 4.79 | 22.54 | 253.84 | 0.3923 | 706.0 | 543.9 | |
| 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. | |