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20170522 - Latest Filament data
Available data for 20170522: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  528 1641 (N26E50 L=  6)   415     75        1 ( 495/1625- 557/1657)   0.0 E53-E47 N24-N27
      2 1466 1347 (N27W22 L= 79)   513     82        2 (1434/1302-1490/1388) -45.0 W19-W23 N24-N29
      3 1334 1323 (N22W13 L= 70)   212     53        0 (1314/1303-1358/1349) -33.7 W11-W15 N21-N23
      4 1154 1178 (N10W05 L= 61)   190    110        0 (1110/1125-1199/1226)  69.4 W02-W06 N05-N13
      5 1004 1009 (S03E01 L= 56)   598    123        0 ( 937/ 959-1058/1059)  60.3 E03-W01 S07-N00
  
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» All Filament Data of 20170522 ...
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