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

9090 108 812 112 841 11.74 206.57 61.67 280.66 0.8723 51.9 51.1


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SOHO MDI 2000-07-26 18:52:31 UT

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

1 18 159 25 218 9.14 214.39 69.49 277.72 0.9347 344.2 145.2
2 1 16 1 18 8.56 210.56 65.66 276.92 0.9093 -188.2 -222.4
3 0 11 0 12 10.67 209.70 64.80 279.24 0.9026 583.0 547.6
4 17 114 19 131 11.86 209.92 65.02 280.56 0.9042 587.3 201.0
5 0 6 0 7 11.24 208.71 63.81 279.86 0.8951 381.0 577.6
6 0 29 0 32 10.48 208.14 63.24 279.00 0.8908 401.0 519.4
7 0 8 0 8 11.54 207.56 62.66 280.18 0.8862 580.0 526.7
8 10 124 10 129 13.68 207.97 63.07 282.60 0.8895 549.4 370.4
9 0 5 0 6 12.55 207.45 62.55 281.33 0.8853 396.0 280.8
10 6 -8 6 -8 14.00 207.05 62.15 282.98 0.8823 765.4 999999
11 11 39 11 39 9.83 205.35 60.44 278.22 0.8680 -828.1 -471.6
12 9 -8 10 -8 13.59 206.68 61.78 282.52 0.8793 -89.5 999999
13 10 -8 10 -8 14.40 206.20 61.29 283.46 0.8755 704.0 999999
14 0 8 0 7 12.60 204.92 60.02 281.42 0.8644 331.0 332.3
15 0 9 0 8 11.63 204.48 59.58 280.30 0.8605 -10.0 -0.7
16 0 8 0 8 12.97 204.90 60.00 281.85 0.8643 527.0 408.2
17 0 8 0 7 12.58 203.16 58.26 281.44 0.8489 -417.0 -312.3
18 0 46 0 43 13.79 203.23 58.33 282.86 0.8499 -389.0 -242.7
19 0 3 0 2 12.01 195.30 50.40 281.10 0.7703 344.0 275.3
20 26 219 20 166 13.84 193.91 49.00 283.62 0.7564 -1065.8 -403.8


  • 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.