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20170430 - Filament data for 14 UTC
Available data for 20170430: »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC   »16 UTC   »17 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1532  961 (N06W31 L= 19)   433    122        0 (1485/ 910-1567/1007) -23.2 W27-W35 N03-N07
      2  253  663 (S46E52 L=295)   701    151        1 ( 210/ 640- 304/ 692)   0.0 E56-E46 S46-S44
      3 1173  575 (S26W22 L=  9)   236     60        0 (1159/ 547-1193/ 608) -45.0 W20-W24 S27-S23
  
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» All Filament Data of 20170430 ...
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