SDO HMI 2014-08-18 08:00:38 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 |
| 10.36 | 54.40 | 5.31 | 27.92 | -4.48 | 31.34 | -10.04 | 138.53 | 0.2620 | 427.9 | 640.3 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-08-18 08:00:38 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 |
| 5.77 | 38.20 | 2.95 | 19.52 | -4.23 | 32.53 | -8.85 | 141.01 | 0.2451 | 1168.4 | 843.7 | |
| 0.00 | 1.44 | 0.00 | 0.73 | -3.22 | 32.20 | -9.18 | 137.22 | 0.2356 | 740.0 | 541.6 | |
| 2.43 | -1.00 | 1.24 | -1.00 | -4.45 | 32.16 | -9.23 | 140.41 | 0.2520 | 892.4 | 999999 | |
| 0.36 | 1.62 | 0.18 | 0.83 | -3.74 | 30.59 | -10.79 | 134.02 | 0.2610 | 1046.0 | 860.2 | |
| 0.00 | 1.89 | 0.00 | 0.97 | -4.67 | 30.58 | -10.81 | 136.43 | 0.2724 | 810.0 | 776.8 | |
| 0.00 | 1.26 | 0.00 | 0.65 | -4.02 | 30.37 | -11.01 | 134.20 | 0.2670 | 894.0 | 723.1 | |
| 0.00 | 1.26 | 0.00 | 0.65 | -4.74 | 30.27 | -11.12 | 135.79 | 0.2768 | 827.0 | 680.9 | |
| 1.80 | 3.33 | 0.94 | 1.73 | -5.70 | 29.13 | -12.26 | 135.29 | 0.3016 | -929.8 | -760.9 | |
| 0.00 | 1.53 | 0.00 | 0.79 | -4.46 | 28.96 | -12.42 | 131.87 | 0.2892 | -829.0 | -553.4 | |
| 0.00 | 0.99 | 0.00 | 0.52 | -5.60 | 28.00 | -13.38 | 132.53 | 0.3139 | 729.0 | 563.0 | |
| 0.00 | 0.81 | 0.00 | 0.42 | -3.94 | 26.31 | -15.07 | 125.07 | 0.3184 | 802.0 | 642.4 | |
| 0.00 | 0.54 | 0.00 | 0.29 | -7.08 | 23.64 | -17.74 | 127.73 | 0.3840 | -608.0 | -442.2 | |
| 0.00 | 0.81 | 0.00 | 0.43 | -5.44 | 22.54 | -18.84 | 122.57 | 0.3831 | -635.0 | -593.0 | |
| 0.00 | 0.72 | 0.00 | 0.39 | -8.22 | 22.36 | -19.02 | 128.05 | 0.4114 | -664.0 | -517.1 | |
| 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. | |