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

9221 58 379 30 197 -12.55 176.88 8.36 207.57 0.3076 1439.3 558.8


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SOHO MDI 2000-11-11 01:35:32 UT

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

1 2 14 1 7 -12.96 179.14 10.62 212.93 0.3320 -1265.0 -729.4
2 0 4 0 2 -12.59 178.73 10.21 212.52 0.3232 -245.0 -209.7
3 12 301 6 157 -13.26 177.63 9.12 208.61 0.3235 1286.1 760.0
4 15 -3 8 -3 -12.22 177.40 8.88 209.62 0.3066 1960.0 999999
5 12 -3 6 -3 -12.82 177.18 8.66 208.07 0.3135 1511.5 999999
6 11 -3 6 -3 -12.61 176.81 8.30 207.37 0.3077 1873.6 999999
7 6 -3 3 -3 -12.93 176.66 8.15 206.47 0.3113 1349.2 999999
8 0 4 0 2 -11.97 176.40 7.88 207.17 0.2950 610.0 551.9
9 0 4 0 2 -13.49 176.24 7.73 204.51 0.3166 517.0 486.8
10 0 4 0 2 -13.61 175.97 7.45 203.58 0.3165 661.0 623.4
11 0 5 0 3 -13.41 175.68 7.17 203.03 0.3116 721.0 635.4
12 0 8 0 4 -12.96 175.51 6.99 203.11 0.3037 796.0 703.9
13 0 16 0 8 -8.64 174.67 6.15 207.33 0.2318 -908.0 -681.6
14 0 6 0 3 -9.62 173.94 5.42 202.80 0.2416 -721.0 -610.4
15 0 3 0 2 -14.15 173.32 4.80 195.22 0.3104 -677.0 -531.3
16 0 5 0 2 -12.87 172.66 4.14 194.28 0.2868 -701.0 -740.9
17 0 5 0 3 -12.55 171.83 3.31 191.73 0.2784 -771.0 -641.7


  • 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.