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20211017 - Latest Filament data
Available data for 20211017: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  548 1486 (N46E21 L= 36)   620    103        0 ( 518/1445- 594/1513)   8.1 E23-E16 N43-N48
      2  729 1339 (N31E09 L= 48)   256     66        0 ( 710/1311- 752/1369) -78.7 E10-E08 N28-N33
      3 1683  660 (S35W35 L= 91)   502     71        0 (1645/ 638-1713/ 684)   0.0 W30-W37 S36-S34
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» All Filament Data of 20211017 ... 		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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