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20220222 - Filament data for 13 UTC
Available data for 20220222: »07 UTC   »08 UTC   »09 UTC   »10 UTC   »12 UTC   »13 UTC   »14 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1318 1768 (N50W01 L=172)   359     63        0 (1295/1732-1340/1796)  76.0 W00-W02 N45-N53
      2 1522 1742 (N56W24 L=194)   533     61        0 (1499/1711-1538/1767)  74.1 W20-W26 N52-N59
      3  357 1595 (N15E64 L=107)  1983    133        3 ( 317/1539- 410/1648) -69.4 E74-E57 N11-N19
      4 1011  730 (S24W06 L=177)   362     74        1 ( 985/ 684-1028/ 766) -68.2 W04-W07 S26-S21
      5 1061  656 (S27W11 L=182)   205     44        1 (1044/ 632-1084/ 675)  56.3 W09-W12 S28-S25
  
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» All Filament Data of 20220222 ...
IDL code for reading binary data:
    OPENR, u, binfile, /COMP, /GET_LUN
    head = FLTARR(6) ;[xsize,ysize,radius,hh,mm,ss]
    READU, u, head
    data = INTARR(FIX(head[0]),FIX(head[1]))
    READU, u, data
    FREE_LUN, u
    
  • each filament has the value of Fil_ID
  • all values are in pixel
to get the area of a filament:
  c = WHERE(data EQ Fil_ID, area)
  f = '(2(A,I6))'
  PRINT, FORM=f, "Area of Fil_ID", Fil_ID," =", area 
be careful: y-origin is upper left! you can transpose the data:
  data = ROTATE(data,7)
  Solar_y = 2048-Solar_y