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20170421 - Filament data for 08 UTC
Available data for 20170421: »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  687 1624 (N21E39 L= 70)   704    128        1 ( 648/1583- 723/1671) -24.0 E43-E34 N18-N23
      2  509  476 (S54E24 L= 85)   473     74        0 ( 487/ 441- 535/ 519) -51.3 E26-E20 S56-S51
      3 1107  182 (S54W47 L=156)   659    164        1 (1094/ 144-1132/ 230) -26.6 W40-W52 S56-S50
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» All Filament Data of 20170421 ... 		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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