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20210621 - Filament data for 18 UTC
Available data for 20210621: »05 UTC   »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC   »16 UTC   »17 UTC   »18 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1023 1620 (N41E07 L=167)   572     76        1 ( 992/1580-1062/1649)  -9.5 E09-E03 N37-N43
      2 1276 1340 (N24W14 L=188)   876    326        0 (1184/1234-1394/1444) -38.7 W07-W22 N17-N29
      3 1495  454 (S32W43 L=217)   428    106        0 (1441/ 437-1548/ 472)  12.5 W38-W47 S33-S29
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» All Filament Data of 20210621 ... 		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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