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

9077 94 552 73 429 16.84 307.53 49.84 288.07 0.7710 88.4 264.6


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SOHO MDI 2000-07-18 06:23:31 UT

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

1 0 1 0 1 18.06 315.83 58.14 288.34 0.8528 -507.0 -516.0
2 0 3 0 3 16.68 313.70 56.01 286.95 0.8324 399.0 384.6
3 14 50 11 42 15.02 311.16 53.47 285.20 0.8065 -453.7 -59.2
4 0 4 0 3 16.77 311.08 53.39 287.39 0.8075 668.0 576.6
5 6 15 5 12 14.56 310.05 52.36 284.76 0.7948 -385.4 -284.5
6 2 17 2 14 16.40 310.58 52.89 286.99 0.8022 -15.3 188.7
7 0 5 0 4 17.27 310.94 53.24 288.02 0.8068 492.0 527.0
8 1 19 1 15 16.97 309.99 52.29 287.78 0.7969 921.5 711.8
9 0 3 0 3 17.54 309.34 51.64 288.60 0.7912 536.0 464.8
10 0 3 0 2 13.80 308.03 50.34 284.02 0.7729 -498.0 -451.4
11 0 6 0 5 15.07 308.43 50.74 285.60 0.7785 -504.0 -423.0
12 1 10 1 8 18.18 309.53 51.84 289.38 0.7941 238.2 192.8
13 0 7 0 5 17.00 308.86 51.16 288.00 0.7855 242.0 235.8
14 5 37 4 29 14.67 307.60 49.90 285.21 0.7692 -1015.7 -750.9
15 5 -14 4 -14 15.00 307.51 49.82 285.65 0.7686 -806.9 999999
16 0 18 0 15 18.52 308.80 51.11 289.93 0.7873 426.0 328.0
17 12 271 10 207 17.68 308.33 50.64 288.96 0.7811 620.9 626.8
18 0 6 0 5 16.44 307.87 50.17 287.46 0.7744 411.0 358.7
19 3 -17 2 -17 17.13 308.05 50.36 288.30 0.7774 842.7 999999
20 4 -17 3 -17 16.79 307.54 49.85 287.96 0.7715 657.3 999999
21 0 7 0 5 15.90 306.72 49.03 286.94 0.7614 -199.0 -251.3
22 0 2 0 2 13.76 305.34 47.65 284.32 0.7431 -464.0 -344.2
23 6 -17 5 -17 17.48 306.32 48.63 289.07 0.7597 999.2 999999
24 12 -17 9 -17 18.02 306.20 48.51 289.80 0.7594 956.8 999999
25 0 10 0 8 18.67 306.32 48.63 290.62 0.7619 300.0 252.8
26 9 -17 7 -17 17.13 305.39 47.69 288.80 0.7489 665.4 999999
27 0 6 0 5 16.96 304.72 47.02 288.72 0.7412 -656.0 -557.2
28 0 4 0 3 16.45 304.43 46.74 288.09 0.7370 -629.0 -532.0
29 0 6 0 4 18.42 304.30 46.61 290.75 0.7396 -169.0 -148.0
30 14 42 9 29 16.53 301.46 43.76 288.87 0.7031 -920.8 -319.8


  • 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.