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

9212 0 101 0 58 9.81 268.91 31.00 283.33 0.5225 134.4 276.0


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SOHO MDI 2000-11-05 19:11:32 UT

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

1 0 7 0 5 6.64 276.16 38.25 275.93 0.6205 765.0 757.0
2 0 5 0 3 7.26 276.17 38.26 276.93 0.6211 739.0 651.9
3 0 5 0 3 10.69 273.55 35.64 283.02 0.5899 304.0 446.8
4 0 4 0 2 10.39 273.22 35.31 282.59 0.5848 618.0 564.4
5 0 7 0 4 9.39 272.05 34.14 281.12 0.5665 519.0 537.5
6 0 7 0 4 10.07 271.47 33.56 282.46 0.5596 362.0 557.6
7 0 11 0 6 8.98 269.50 31.59 280.95 0.5291 32.0 98.3
8 0 4 0 2 10.29 269.59 31.68 283.38 0.5333 561.0 527.4
9 0 14 0 8 9.60 269.38 31.47 282.15 0.5286 1163.0 903.8
10 0 5 0 3 8.81 267.53 29.62 281.13 0.4999 574.0 379.8
11 0 2 0 1 11.73 267.29 29.38 286.95 0.5043 266.0 441.8
12 0 3 0 2 11.54 267.00 29.09 286.72 0.4995 657.0 534.2
13 0 7 0 4 11.28 265.23 27.33 287.01 0.4727 -686.0 -518.0
14 0 3 0 2 7.69 263.84 25.93 279.76 0.4416 -541.0 -351.3
15 0 5 0 3 12.71 262.97 25.06 291.31 0.4454 -582.0 -472.3
16 0 4 0 2 9.38 261.17 23.26 284.77 0.4048 -658.0 -583.0
17 0 3 0 1 12.25 261.41 23.50 291.36 0.4203 -815.0 -790.9
18 0 5 0 3 13.76 256.63 18.72 299.52 0.3599 -859.0 -652.5


  • 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.