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

12130 1.27 22.23 1.39 22.46 -7.08 232.03 58.99 258.14 0.8668 184.1 268.4


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SDO HMI 2014-08-08 09:00:39 UT

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

1 0.00 0.99 0.00 1.17 -5.68 237.09 64.05 260.74 0.9083 209.0 163.7
2 0.00 1.18 0.00 1.36 -7.84 236.35 63.31 258.25 0.9058 411.0 375.1
3 0.00 1.18 0.00 1.32 -8.12 235.41 62.37 257.75 0.8993 214.0 176.4
4 0.00 0.81 0.00 0.91 -8.60 235.21 62.17 257.18 0.8986 188.0 179.9
5 1.27 9.13 1.39 10.09 -7.96 234.77 61.73 257.78 0.8943 590.5 456.5
6 0.00 0.72 0.00 0.80 -8.82 234.87 61.84 256.87 0.8964 332.0 280.6
7 0.00 0.54 0.00 0.57 -8.25 233.25 60.21 257.13 0.8829 233.0 317.7
8 0.00 0.81 0.00 0.75 -5.37 229.40 56.36 259.53 0.8450 257.0 291.3
9 0.00 0.63 0.00 0.58 -5.34 229.12 56.08 259.50 0.8424 504.0 415.9
10 0.00 1.54 0.00 1.37 -6.09 227.87 54.83 258.32 0.8322 677.0 533.2
11 0.00 0.81 0.00 0.71 -6.71 227.17 54.14 257.42 0.8268 392.0 353.2
12 0.00 1.27 0.00 0.93 -4.18 219.43 46.39 258.45 0.7394 -496.0 -426.5
13 0.00 1.08 0.00 0.79 -3.71 218.91 45.87 258.93 0.7321 -428.0 -305.7
14 0.00 1.54 0.00 1.11 -3.66 218.68 45.65 258.93 0.7294 -665.0 -565.2


  • 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.