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20210213 - Latest Filament data
Available data for 20210213: »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  506 1561 (N17E46 L= 20)   472    100        1 ( 486/1508- 523/1606) -66.8 E48-E44 N13-N20
      2  464  632 (S40E35 L= 31)   349     49        2 ( 436/ 608- 496/ 654)  26.6 E37-E31 S41-S38
      3  563  572 (S43E26 L= 41)   465    118        0 ( 517/ 540- 616/ 608) -12.5 E29-E20 S44-S40
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» All Filament Data of 20210213 ... 		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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