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20170717 - Latest Filament data
Available data for 20170717: »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 1274 1548 (N37W23 L= 58)   351     64        1 (1248/1517-1310/1573) -36.9 W20-W25 N34-N38
      2 1461  795 (S12W27 L= 63)   402     54        1 (1436/ 765-1478/ 835) -90.0 W25-W28 S14-S09
      3  871  605 (S21E12 L= 23)   359     82        0 ( 834/ 574- 917/ 639)  26.6 E15-E09 S23-S19
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» All Filament Data of 20170717 ... 		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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