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20130422 - Latest Filament data
Available data for 20130422: »08 UTC   »09 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  527 1754 (N26E65 L=234)   774     91        3 ( 513/1704- 545/1794) -19.4 E74-E57 N22-N28
      2  797 1597 (N22E31 L=268)   513    163        1 ( 764/1566- 857/1646) -18.4 E35-E26 N20-N24
      3 1668 1418 (N38W34 L=333)   326     64        2 (1646/1394-1693/1441)  38.7 W31-W36 N36-N40
      4  294 1136 (S16E51 L=248)   559    108        0 ( 262/1092- 323/1183)  71.6 E54-E48 S19-S13
      5 1487  408 (S25W53 L=352)   558    148        4 (1426/ 373-1546/ 449)  69.4 W50-W55 S28-S20
      6 1318  284 (S38W52 L=351)   649     94        2 (1280/ 254-1351/ 322)   5.7 W47-W57 S39-S35
  
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» All Filament Data of 20130422 ...
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