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20210628 - Filament data for 11 UTC
Available data for 20210628: »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  932 1417 (N27E09 L= 76)   321    189        0 ( 852/1380-1011/1461) -18.4 E14-E02 N24-N29
      2  675  515 (S33E23 L= 62)   334    106        1 ( 658/ 474- 699/ 568)  54.5 E25-E20 S35-S28
      3 1133  476 (S33W11 L= 96)   677    164        2 (1055/ 450-1214/ 507)  15.3 W05-W16 S34-S30
      4 1152  243 (S53W20 L=105)   747    112        2 (1114/ 209-1197/ 286) -30.3 W14-W26 S56-S48
  
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» All Filament Data of 20210628 ...
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