SDO HMI 2011-10-20 09:59:01 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 |
| 10.54 | 37.55 | 6.25 | 22.21 | -21.14 | 334.45 | -20.02 | 144.23 | 0.5479 | -179.5 | -218.1 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-10-20 09:59:01 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 | 1.13 | 0.00 | 0.65 | -20.31 | 337.30 | -17.16 | 147.29 | 0.5143 | 854.0 | 782.6 | |
| 0.00 | 2.09 | 0.00 | 1.21 | -20.39 | 336.79 | -17.68 | 146.63 | 0.5194 | 896.0 | 768.4 | |
| 0.00 | 2.18 | 0.00 | 1.27 | -20.80 | 336.58 | -17.89 | 146.76 | 0.5261 | 748.0 | 560.8 | |
| 0.00 | 1.22 | 0.00 | 0.71 | -20.08 | 336.23 | -18.24 | 145.44 | 0.5203 | 739.0 | 547.9 | |
| 0.00 | 1.39 | 0.00 | 0.81 | -20.64 | 336.16 | -18.31 | 145.99 | 0.5277 | 757.0 | 594.8 | |
| 2.09 | 2.53 | 1.22 | 1.48 | -20.31 | 335.05 | -19.41 | 144.06 | 0.5332 | 587.0 | 447.0 | |
| 0.00 | 1.83 | 0.00 | 1.09 | -21.41 | 334.19 | -20.28 | 144.16 | 0.5532 | -842.0 | -748.0 | |
| 0.00 | 0.70 | 0.00 | 0.41 | -21.58 | 334.10 | -20.37 | 144.23 | 0.5559 | -823.0 | -685.2 | |
| 0.00 | 0.87 | 0.00 | 0.51 | -20.21 | 334.19 | -20.28 | 142.76 | 0.5396 | 588.0 | 377.3 | |
| 4.44 | 17.43 | 2.64 | 10.36 | -21.15 | 333.95 | -20.51 | 143.55 | 0.5523 | -808.3 | -678.5 | |
| 0.00 | 0.78 | 0.00 | 0.47 | -21.96 | 333.66 | -20.81 | 144.09 | 0.5639 | -688.0 | -635.1 | |
| 4.01 | -10.00 | 2.39 | -10.00 | -21.43 | 333.64 | -20.83 | 143.46 | 0.5581 | -879.8 | 999999 | |
| 0.00 | 0.87 | 0.00 | 0.52 | -21.80 | 333.55 | -20.92 | 143.76 | 0.5631 | -665.0 | -544.2 | |
| 0.00 | 3.66 | 0.00 | 2.20 | -21.97 | 333.42 | -21.05 | 143.79 | 0.5661 | -676.0 | -564.1 | |
| 0.00 | 0.87 | 0.00 | 0.52 | -21.41 | 333.37 | -21.10 | 143.08 | 0.5602 | -643.0 | -523.2 | |
| 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. | |