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20210729 - Filament data for 15 UTC
Available data for 20210729: »05 UTC   »06 UTC   »07 UTC   »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 1401  774 (S14W22 L= 54)   392    135        0 (1339/ 733-1450/ 806) -40.6 W17-W24 S17-S11
      2 1577  781 (S16W34 L= 67)   431    105        0 (1518/ 755-1608/ 802)  -8.1 W29-W36 S17-S14
      3 1045  511 (S27E04 L= 28)   795    210        0 (1000/ 431-1085/ 597)  56.3 E08-W00 S33-S21
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» All Filament Data of 20210729 ... 		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

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