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

8841 57 523 31 285 -29.27 22.17 7.83 196.51 0.4225 -1607.8 -416.7


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SOHO MDI 2000-01-27 20:47:32 UT

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

1 0 8 0 4 -26.39 23.48 9.14 201.82 0.3846 791.0 470.1
2 57 416 31 227 -28.96 23.56 9.23 199.47 0.4229 -1880.0 -692.4
3 0 3 0 2 -27.39 22.86 8.52 199.50 0.3959 -574.0 -490.0
4 -2 -2 -2 -2 -29.17 22.92 8.58 198.03 0.4228 999999 999999
5 0 4 0 2 -29.32 21.33 7.00 194.79 0.4179 -453.0 -469.4
6 0 5 0 3 -29.50 20.50 6.17 193.00 0.4175 816.0 616.6
7 0 12 0 6 -30.00 20.31 5.98 192.31 0.4246 755.0 660.2
8 0 3 0 2 -30.05 19.96 5.62 191.59 0.4241 695.0 567.2
9 0 4 0 2 -29.51 19.31 4.97 190.55 0.4138 1005.0 869.1
10 0 5 0 3 -31.50 18.42 4.09 187.92 0.4425 836.0 711.5
11 0 5 0 3 -30.53 17.13 2.80 185.70 0.4250 1091.0 923.7
12 0 4 0 2 -30.87 16.96 2.63 185.27 0.4301 796.0 673.3
13 0 14 0 7 -30.11 16.85 2.52 185.24 0.4179 1087.0 898.5
14 0 5 0 3 -30.62 16.51 2.17 184.42 0.4255 842.0 772.3
15 0 4 0 2 -30.91 16.11 1.78 183.57 0.4298 818.0 758.0
16 0 12 0 7 -31.00 15.62 1.29 182.58 0.4307 1085.0 741.8
17 0 3 0 1 -27.69 15.37 1.03 182.43 0.3776 646.0 533.3
18 0 5 0 3 -30.96 15.18 0.84 181.69 0.4298 1150.0 930.2
19 0 6 0 3 -31.30 14.82 0.49 180.96 0.4350 804.0 753.7
20 0 5 0 3 -30.83 14.28 -0.05 179.90 0.4276 1053.0 874.5


  • 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.