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20171016 - Filament data for 06 UTC
Available data for 20171016: »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  507 1449 (N45E24 L=253)   275     40        0 ( 485/1429- 536/1468)  11.3 E26-E21 N44-N46
      2  215 1361 (N47E55 L=222)   555    110        0 ( 179/1332- 242/1399)  33.7 E59-E52 N45-N49
      3  404  908 (N15E41 L=236)   979    238        3 ( 318/ 828- 502/ 990) -47.5 E46-E35 N08-N20
      4 1584  459 (S48W23 L=300)   446     88        1 (1554/ 445-1621/ 479) -35.5 W19-W27 S49-S44
  
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» All Filament Data of 20171016 ...
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