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

12137 12.37 73.90 7.86 46.79 -17.79 161.55 30.38 230.57 0.6260 626.7 462.5


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SDO HMI 2014-08-11 13:00:39 UT

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

1 0.00 0.81 0.00 0.53 -17.98 164.65 33.48 232.98 0.6594 548.0 401.8
2 12.37 46.84 7.86 29.71 -17.07 162.38 31.22 232.27 0.6287 946.9 505.2
3 0.00 1.35 0.00 0.87 -18.57 161.93 30.76 229.93 0.6357 534.0 543.5
4 0.00 5.42 0.00 3.44 -18.55 161.14 29.97 229.24 0.6275 711.0 661.3
5 0.00 0.99 0.00 0.63 -18.14 160.92 29.75 229.56 0.6218 562.0 440.4
6 0.00 2.08 0.00 1.30 -17.32 160.55 29.38 230.28 0.6111 747.0 633.6
7 0.00 1.26 0.00 0.81 -20.03 160.62 29.45 226.91 0.6348 669.0 557.8
8 0.00 1.35 0.00 0.84 -17.70 160.18 29.01 229.43 0.6103 588.0 504.3
9 0.00 1.17 0.00 0.75 -19.68 160.44 29.27 227.17 0.6300 767.0 703.1
10 0.00 1.35 0.00 0.86 -19.92 160.38 29.21 226.82 0.6314 775.0 636.1
11 0.00 2.35 0.00 1.48 -19.52 159.93 28.76 226.88 0.6235 752.0 696.6
12 0.00 1.44 0.00 0.92 -20.48 159.53 28.36 225.32 0.6280 802.0 632.5
13 0.00 2.35 0.00 1.46 -18.76 158.98 27.81 226.89 0.6073 155.0 257.6
14 0.00 1.26 0.00 0.78 -18.67 158.64 27.47 226.66 0.6031 736.0 527.4
15 0.00 1.35 0.00 0.84 -19.85 158.05 26.88 224.59 0.6081 -628.0 -458.0
16 0.00 2.53 0.00 1.57 -20.62 157.32 26.15 222.88 0.6085 -835.0 -669.3


  • 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.