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20210530 - Filament data for 12 UTC
Available data for 20210530: »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  780 1838 (N49E50 L= 59)  1096    138        3 ( 727/1811- 844/1856)  -3.0 E58-E39 N46-N51
      2  809  278 (S57W01 L=109)   415     58        1 ( 785/ 258- 831/ 307) -21.8 E01-W04 S59-S53
      3  870  258 (S57W08 L=116)   459     65        1 ( 845/ 236- 896/ 290) -33.7 W05-W11 S59-S54
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» All Filament Data of 20210530 ... 		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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