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

9068 96 646 65 436 -19.20 48.87 -36.82 123.40 0.6779 -606.6 -181.0


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SOHO MDI 2000-07-04 01:35:31 UT

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

1 34 372 22 239 -18.14 52.32 -33.38 124.27 0.6349 -1657.5 -551.0
2 -1 -1 -1 -1 -17.63 52.13 -33.57 123.43 0.6337 999999 999999
3 6 -1 4 -1 -19.01 51.77 -33.92 125.04 0.6468 -803.7 999999
4 14 -1 9 -1 -18.07 51.73 -33.96 123.75 0.6410 -1048.3 999999
5 0 5 0 3 -16.03 50.96 -34.74 120.37 0.6371 -629.0 -498.3
6 0 4 0 3 -19.07 49.92 -35.78 123.81 0.6674 -323.0 -247.4
7 0 4 0 3 -20.73 47.99 -37.71 124.67 0.6979 124.0 46.0
8 14 73 10 51 -21.10 47.28 -38.41 124.69 0.7073 -838.3 -342.0
9 0 4 0 2 -18.87 46.09 -39.60 121.15 0.7071 947.0 835.9
10 0 4 0 3 -22.91 44.38 -41.32 125.16 0.7462 580.0 547.5
11 7 79 5 56 -19.75 45.34 -40.36 121.84 0.7197 1165.6 662.7
12 0 2 0 2 -18.85 45.44 -40.25 120.76 0.7139 640.0 624.5
13 5 -11 3 -11 -20.02 44.98 -40.72 121.97 0.7249 629.7 999999
14 0 3 0 2 -19.03 45.11 -40.58 120.81 0.7183 541.0 523.4
15 5 -11 3 -11 -19.73 44.85 -40.85 121.53 0.7247 682.2 999999
16 0 8 0 6 -20.57 44.12 -41.57 122.18 0.7363 698.0 646.3
17 0 10 0 7 -20.19 44.02 -41.67 121.65 0.7354 667.0 491.0
18 0 4 0 3 -21.77 43.36 -42.34 123.22 0.7500 655.0 631.3
19 0 4 0 3 -20.36 42.93 -42.76 121.29 0.7471 502.0 344.9
20 6 70 5 53 -21.33 42.53 -43.17 122.25 0.7558 662.4 364.7
21 5 -20 4 -20 -21.13 42.26 -43.44 121.86 0.7575 694.3 999999


  • 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.