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20220129 - Filament data for 08 UTC
Available data for 20220129: »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 1448  800 (S13W29 L=159)   306     99        0 (1420/ 748-1480/ 832)  71.6 W28-W31 S16-S10
      2 1710  644 (S17W55 L=184)   457     61        2 (1682/ 610-1736/ 669) -36.9 W52-W57 S19-S15
      3 1547  505 (S29W47 L=177)  1218    369        2 (1380/ 452-1686/ 556)  26.6 W35-W59 S34-S22
      4 1637  427 (S31W62 L=191)   575     89        0 (1582/ 412-1678/ 448)  15.3 W56-W67 S33-S29
      5 1315  174 (S57W62 L=191)   512     28        0 (1298/ 153-1333/ 197)  -7.6 W54-W69 S58-S55
  
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» All Filament Data of 20220129 ...
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