groupProj. UProj. WSCorr. UCorr. WS BLLCMPos. angler MU MP

11328 2.61 37.88 1.34 19.39 18.38 324.08 -6.75 25.50 0.2542 557.1 339.8


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SDO HMI 2011-10-22 04:59:01 UT

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spotProj. UProj. WSCorr. UCorr. WSBLLCMPos. angler MU MP

1 0.00 1.22 0.00 0.61 14.88 327.60 -3.22 18.10 0.1755 848.0 589.1
2 0.00 7.92 0.00 4.02 16.97 326.70 -4.13 18.83 0.2143 -1298.0 -954.6
3 0.61 2.18 0.31 1.10 17.12 326.35 -4.48 20.03 0.2187 -1081.0 -898.1
4 0.00 1.22 0.00 0.62 18.21 325.19 -5.64 22.68 0.2431 886.0 729.0
5 2.00 4.79 1.03 2.46 18.82 324.02 -6.80 25.62 0.2604 1100.7 899.5
6 0.00 7.75 0.00 3.97 18.45 323.88 -6.94 26.75 0.2559 862.0 1069.4
7 0.00 1.92 0.00 0.98 18.66 323.68 -7.14 27.01 0.2606 734.0 588.3
8 0.00 1.22 0.00 0.62 18.50 323.56 -7.26 27.68 0.2592 882.0 699.7
9 0.00 2.44 0.00 1.26 19.05 322.68 -8.15 29.38 0.2742 892.0 629.4
10 0.00 2.00 0.00 1.03 18.58 322.60 -8.22 30.50 0.2682 936.0 749.3
11 0.00 1.31 0.00 0.68 21.40 320.80 -10.02 30.24 0.3232 854.0 650.7
12 0.00 1.04 0.00 0.55 21.80 320.74 -10.09 29.72 0.3294 742.0 631.1
13 0.00 0.87 0.00 0.45 20.24 319.84 -10.98 34.64 0.3159 846.0 671.1
14 0.00 1.13 0.00 0.59 20.51 319.40 -11.42 35.15 0.3236 742.0 573.5
15 0.00 0.87 0.00 0.45 19.51 319.12 -11.71 37.77 0.3136 903.0 733.8


  • 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.