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20171006 - Latest Filament data
Available data for 20171006: »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 1318 1575 (N28W36 L= 82)   359     71        0 (1272/1551-1351/1594) -53.1 W33-W38 N25-N29
      2 1678 1526 (N13W60 L=105)  1276    222        5 (1626/1466-1722/1590)  69.4 W54-W65 N09-N17
      3 1416  317 (S52W04 L= 49)   363     68        1 (1395/ 303-1441/ 334) -59.0 W01-W06 S54-S49
  
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» All Filament Data of 20171006 ...
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