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20211017 - Filament data for 11 UTC
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  539 1485 (N46E22 L= 36)   598     93        0 ( 508/1448- 587/1513)   8.1 E24-E16 N44-N48
      2 1673  656 (S35W34 L= 92)   499     69        0 (1637/ 632-1707/ 681)   0.0 W30-W37 S36-S34
      3 1642  540 (S43W30 L= 88)   354     39        1 (1622/ 516-1655/ 571)  76.0 W28-W31 S45-S40
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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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