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20210331 - Latest Filament data
Available data for 20210331: »06 UTC   »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  507  525 (S52E24 L=156)   307     39        1 ( 488/ 499- 522/ 551) -76.0 E25-E22 S53-S49
      2  772  473 (S46W02 L=182)   297     45        0 ( 750/ 453- 795/ 502) -26.6 W00-W04 S47-S44
      3  693  446 (S51E03 L=177)   272     41        0 ( 667/ 431- 721/ 461)   9.5 E06-W00 S52-S49
      4 1038  225 (S53W41 L=221)   755    108        2 ( 996/ 177-1069/ 270) -12.5 W33-W51 S55-S51
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» All Filament Data of 20210331 ... 		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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