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

12121n 0.00 23.10 0.00 13.44 12.37 260.24 -30.17 73.68 0.5108 39.5 29.7


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SDO HMI 2014-07-30 12:00:40 UT

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

1 0.00 1.99 0.00 1.05 13.79 272.03 -18.38 64.44 0.3409 -842.0 -597.8
2 0.00 1.54 0.00 0.83 16.24 269.42 -20.99 61.07 0.3946 -821.0 -673.4
3 0.00 1.18 0.00 0.64 16.04 269.06 -21.34 61.88 0.3983 -827.0 -698.6
4 0.00 1.72 0.00 0.93 16.22 268.70 -21.70 61.84 0.4045 -794.0 -724.6
5 0.00 1.18 0.00 0.64 15.81 268.55 -21.86 62.92 0.4041 -920.0 -787.2
6 0.00 1.27 0.00 0.69 13.04 266.14 -24.26 71.10 0.4249 -740.0 -539.9
7 0.00 1.18 0.00 0.68 15.92 261.37 -29.04 67.82 0.5061 -691.0 -538.5
8 0.00 1.36 0.00 0.79 9.51 259.09 -31.31 80.97 0.5211 622.0 543.3
9 0.00 1.99 0.00 1.16 8.57 258.75 -31.66 82.81 0.5252 806.0 577.4
10 0.00 0.72 0.00 0.42 9.00 258.67 -31.74 82.01 0.5267 734.0 633.4
11 0.00 1.63 0.00 0.96 10.50 258.18 -32.22 79.25 0.5357 637.0 487.6
12 0.00 1.09 0.00 0.66 10.64 255.60 -34.81 79.46 0.5728 723.0 534.0
13 0.00 1.18 0.00 0.72 12.47 254.73 -35.68 76.49 0.5879 552.0 408.8
14 0.00 1.63 0.00 0.99 10.81 254.78 -35.63 79.30 0.5845 618.0 460.7
15 0.00 1.09 0.00 0.66 5.02 254.48 -35.93 89.25 0.5868 690.0 578.2
16 0.00 0.54 0.00 0.36 19.49 249.54 -40.87 67.00 0.6724 582.0 498.7
17 0.00 1.81 0.00 1.26 11.61 245.72 -44.69 79.18 0.7036 342.0 354.9


  • 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.