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

9149 97 756 78 610 13.05 356.12 -52.70 78.99 0.7905 172.1 45.8


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SOHO MDI 2000-08-30 06:23:31 UT

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

1 27 272 20 205 13.51 0.01 -48.81 78.29 0.7496 1280.1 545.2
2 -1 -1 -1 -1 13.42 359.48 -49.34 78.44 0.7555 999999 999999
3 0 4 0 3 15.11 358.78 -50.04 76.25 0.7642 -141.0 -227.2
4 9 -1 7 -1 13.82 358.67 -50.15 77.95 0.7646 752.4 999999
5 0 6 0 4 13.19 358.73 -50.09 78.78 0.7637 516.0 434.2
6 14 163 11 127 12.79 357.95 -50.87 79.32 0.7721 1097.4 255.5
7 0 5 0 4 13.76 357.60 -51.22 78.08 0.7762 364.0 233.8
8 4 -6 3 -6 13.08 357.22 -51.61 78.96 0.7801 559.8 999999
9 3 -6 2 -6 12.74 356.53 -52.29 79.42 0.7873 259.8 999999
10 0 8 0 6 13.93 356.09 -52.73 77.91 0.7921 305.0 243.1
11 0 6 0 5 13.55 355.81 -53.01 78.41 0.7949 444.0 352.7
12 3 48 2 39 13.69 355.22 -53.60 78.25 0.8010 36.0 -222.8
13 0 9 0 8 13.35 353.80 -55.02 78.70 0.8152 -810.0 -678.4
14 0 6 0 6 14.11 353.39 -55.43 77.78 0.8193 -958.0 -705.9
15 3 202 3 179 12.77 353.21 -55.61 79.42 0.8209 -922.4 -499.8
16 2 14 1 12 13.95 352.65 -56.17 77.98 0.8264 -871.7 -762.3
17 32 -15 29 -15 12.32 352.35 -56.47 79.96 0.8293 -950.8 999999
18 0 5 0 4 13.40 351.22 -57.60 78.66 0.8399 -496.0 -525.1
19 -17 -15 -17 -15 12.13 351.67 -57.15 80.19 0.8357 999999 999999
20 0 8 0 8 12.65 349.08 -59.74 79.52 0.8591 -547.0 -305.4


  • 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.