group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
51 | 352 | 33 | 223 | 9.99 | 116.43 | 38.76 | 278.67 | 0.6250 | 345.2 | 120.8 |
previous
or next observation for the same group /
back to the solar disc SOHO MDI 2000-07-31 20:47:31 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
29 | 217 | 19 | 142 | 10.53 | 118.72 | 41.05 | 279.36 | 0.6567 | 1355.8 | 511.7 | |
4 | 10 | 3 | 7 | 9.65 | 117.06 | 39.39 | 278.11 | 0.6342 | 826.9 | 685.9 | |
0 | 5 | 0 | 3 | 10.60 | 114.58 | 36.92 | 279.89 | 0.6015 | -338.0 | -375.3 | |
0 | 4 | 0 | 2 | 10.47 | 114.06 | 36.40 | 279.74 | 0.5942 | -571.0 | -528.7 | |
0 | 5 | 0 | 3 | 10.03 | 112.81 | 35.15 | 279.14 | 0.5764 | -714.0 | -687.6 | |
18 | 95 | 11 | 57 | 8.65 | 111.88 | 34.21 | 276.81 | 0.5619 | -1443.6 | -708.5 | |
0 | 11 | 0 | 6 | 9.90 | 111.48 | 33.82 | 279.09 | 0.5574 | -800.0 | -700.5 | |
0 | 5 | 0 | 3 | 9.76 | 109.74 | 32.08 | 279.08 | 0.5321 | -693.0 | -565.2 |
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. |
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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. |
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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. |