group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
31 | 197 | 16 | 101 | -2.00 | 260.91 | 12.14 | 289.03 | 0.2230 | -169.3 | -136.2 |
previous
or next observation for the same group /
back to the solar disc SOHO MDI 2002-04-07 11:11:33 UT ![]() |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
11 | 109 | 6 | 56 | -1.90 | 262.45 | 13.68 | 287.00 | 0.2482 | -1803.9 | -853.2 | |
4 | -1 | 2 | -1 | -2.37 | 262.42 | 13.64 | 285.22 | 0.2453 | -1438.7 | 999999 | |
0 | 4 | 0 | 2 | -0.51 | 261.81 | 13.03 | 293.21 | 0.2464 | -1109.0 | -768.9 | |
0 | 19 | 0 | 10 | -2.12 | 259.59 | 10.81 | 290.36 | 0.2008 | 1219.0 | 644.4 | |
4 | 22 | 2 | 11 | -1.86 | 259.03 | 10.25 | 292.66 | 0.1937 | 1332.8 | 946.9 | |
4 | 36 | 2 | 18 | -1.95 | 258.56 | 9.78 | 293.25 | 0.1856 | 1074.3 | 902.3 | |
8 | -6 | 4 | -6 | -2.42 | 258.44 | 9.67 | 291.12 | 0.1807 | 1477.7 | 999999 | |
0 | 7 | 0 | 4 | -1.48 | 258.44 | 9.66 | 295.80 | 0.1872 | 720.0 | 615.0 |
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. |