group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 25 | 0 | 14 | 10.61 | 221.44 | 27.21 | 280.08 | 0.4577 | 759.7 | 610.9 |
previous
or next observation for the same group /
back to the solar disc SOHO MDI 2000-08-19 06:23:31 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0 | 3 | 0 | 2 | 10.70 | 224.62 | 30.38 | 279.46 | 0.5059 | 743.0 | 630.2 | |
0 | 4 | 0 | 2 | 11.19 | 224.35 | 30.11 | 280.48 | 0.5026 | 775.0 | 702.9 | |
0 | 5 | 0 | 3 | 9.07 | 224.04 | 29.80 | 276.27 | 0.4958 | 808.0 | 582.0 | |
0 | 4 | 0 | 2 | 11.31 | 222.20 | 27.96 | 281.20 | 0.4707 | 747.0 | 711.9 | |
0 | 5 | 0 | 3 | 10.76 | 217.55 | 23.32 | 281.24 | 0.3982 | 719.0 | 489.0 | |
0 | 4 | 0 | 2 | 11.35 | 216.56 | 22.32 | 283.14 | 0.3840 | 766.0 | 624.8 |
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. |