| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 16.81 | 0.00 | 9.74 | 17.39 | 178.15 | -19.20 | 37.34 | 0.5188 | -333.6 | -257.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-03-01 01:58:58 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 | 1.29 | 0.00 | 0.71 | 15.99 | 184.82 | -12.53 | 28.05 | 0.4452 | -752.0 | -613.3 | |
| 0.00 | 1.72 | 0.00 | 0.98 | 16.09 | 179.92 | -17.43 | 36.41 | 0.4869 | 932.0 | 767.8 | |
| 0.00 | 1.72 | 0.00 | 0.97 | 15.71 | 179.79 | -17.56 | 37.10 | 0.4835 | 826.0 | 630.0 | |
| 0.00 | 1.90 | 0.00 | 1.10 | 17.46 | 178.28 | -19.07 | 37.17 | 0.5179 | -903.0 | -784.4 | |
| 0.00 | 1.90 | 0.00 | 1.11 | 18.44 | 177.60 | -19.75 | 36.95 | 0.5353 | -639.0 | -528.1 | |
| 0.00 | 1.47 | 0.00 | 0.87 | 19.35 | 177.05 | -20.30 | 36.64 | 0.5506 | -546.0 | -416.5 | |
| 0.00 | 1.47 | 0.00 | 0.87 | 19.09 | 177.08 | -20.26 | 36.90 | 0.5473 | -721.0 | -586.3 | |
| 0.00 | 1.29 | 0.00 | 0.76 | 18.36 | 177.04 | -20.30 | 37.80 | 0.5394 | -839.0 | -651.3 | |
| 0.00 | 0.60 | 0.00 | 0.35 | 17.89 | 176.67 | -20.68 | 38.88 | 0.5375 | -772.0 | -688.6 | |
| 0.00 | 1.03 | 0.00 | 0.61 | 17.76 | 176.58 | -20.76 | 39.15 | 0.5369 | -687.0 | -646.4 | |
| 0.00 | 1.21 | 0.00 | 0.72 | 19.50 | 176.12 | -21.23 | 37.69 | 0.5603 | -528.0 | -414.2 | |
| 0.00 | 1.21 | 0.00 | 0.69 | 12.82 | 175.33 | -22.02 | 47.60 | 0.4970 | 626.0 | 460.9 | |
| 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. | |