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20170423 - Filament data for 13 UTC
Available data for 20170423: »06 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  768 1756 (N32E42 L= 39)  2630    372        4 ( 645/1720- 937/1796)  15.9 E51-E29 N27-N36
      2  851 1392 (N11E20 L= 60)   234    103        0 ( 800/1373- 906/1416)  45.0 E22-E17 N09-N14
      3  740  365 (S54W03 L= 83)   421    118        0 ( 717/ 317- 759/ 406) -45.0 W00-W06 S58-S50
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» All Filament Data of 20170423 ... 		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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