group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
46.33 | 309.65 | 70.75 | 471.37 | 13.70 | 173.90 | 70.85 | 283.74 | 0.9436 | -85.7 | 10.8 |
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back to the solar disc SDO HMI 2010-11-18 21:58:57 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 |
4.63 | 166.54 | 8.52 | 300.00 | 12.75 | 177.59 | 74.55 | 282.57 | 0.9644 | 264.5 | -100.5 | |
22.22 | -1.00 | 39.58 | -1.00 | 12.99 | 176.99 | 73.94 | 282.82 | 0.9616 | -626.8 | 999999 | |
0.00 | 0.51 | 0.00 | 0.80 | 12.54 | 174.57 | 71.53 | 282.41 | 0.9494 | -533.0 | -550.0 | |
0.00 | 1.29 | 0.00 | 2.00 | 12.72 | 174.60 | 71.55 | 282.60 | 0.9496 | -520.0 | -485.7 | |
0.00 | 1.72 | 0.00 | 2.71 | 13.16 | 174.81 | 71.77 | 283.07 | 0.9508 | -432.0 | -359.2 | |
0.00 | 3.60 | 0.00 | 5.33 | 13.52 | 173.44 | 70.40 | 283.50 | 0.9434 | -78.0 | -193.7 | |
0.00 | 0.60 | 0.00 | 0.85 | 12.10 | 172.54 | 69.50 | 282.02 | 0.9379 | 91.0 | 158.9 | |
0.00 | 5.06 | 0.00 | 6.97 | 12.97 | 171.94 | 68.89 | 282.97 | 0.9345 | 471.0 | 266.3 | |
0.00 | 1.63 | 0.00 | 2.28 | 13.51 | 172.27 | 69.22 | 283.53 | 0.9366 | 262.0 | 236.6 | |
0.00 | 1.80 | 0.00 | 2.48 | 13.52 | 171.93 | 68.89 | 283.56 | 0.9346 | 493.0 | 452.5 | |
0.00 | 2.32 | 0.00 | 2.84 | 14.70 | 169.02 | 65.98 | 285.01 | 0.9164 | 214.0 | 144.0 | |
19.48 | 123.64 | 22.65 | 144.00 | 15.30 | 167.53 | 64.48 | 285.79 | 0.9064 | 699.2 | 240.9 | |
0.00 | 0.94 | 0.00 | 1.11 | 17.86 | 167.69 | 64.64 | 288.58 | 0.9092 | -171.0 | -218.4 |
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. |