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20220107 - Latest Filament data
Available data for 20220107: »08 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  925 1605 (N33E08 L= 48)   232     53        0 ( 892/1591- 955/1615)   0.0 E10-E06 N32-N34
      2  403  678 (S25E45 L= 12)   453     82        0 ( 359/ 658- 449/ 705) -14.0 E48-E40 S26-S23
      3  410  515 (S36E50 L=  6)   593     99        1 ( 392/ 449- 435/ 555)  49.4 E54-E46 S40-S33
      4  707  296 (S54E31 L= 25)   704     85        0 ( 665/ 274- 758/ 323) -12.5 E35-E25 S55-S51
      5  863  266 (S56E15 L= 41)   544     53        0 ( 841/ 237- 892/ 304) -90.0 E17-E12 S59-S52
  
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» All Filament Data of 20220107 ...
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