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20130821 - Latest Filament data
Available data for 20130821: »05 UTC   »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1654 1528 (N21W60 L=195)   454     74        1 (1614/1508-1685/1547) -38.7 W56-W62 N19-N23
      2 1659 1430 (N16W54 L=189)   453    141        1 (1598/1380-1699/1462) -45.0 W49-W56 N12-N18
      3 1853 1323 (N04W70 L=206)   585     71        0 (1832/1296-1869/1362)  31.0 W66-W74 N03-N06
      4 1899 1120 (S08W68 L=204)  1037    130        2 (1872/1071-1922/1183) -63.4 W65-W72 S11-S03
      5 1629  952 (S10W37 L=172)   434    108        1 (1606/ 905-1657/1002)  51.3 W34-W39 S12-S07
      6 1816  870 (S20W54 L=189)   501    116        1 (1787/ 833-1845/ 929)  35.5 W50-W57 S22-S17
      7 1649  838 (S18W37 L=172)   609    193        0 (1603/ 804-1703/ 883)   7.1 W33-W41 S19-S13
      8  940  619 (S16E13 L=122)  1060    362        1 ( 876/ 495-1068/ 685)  28.1 E19-E04 S23-S12
      9 1446  461 (S39W18 L=153)   482     84        0 (1408/ 434-1477/ 497)  31.0 W14-W21 S40-S36
  
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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