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20211026 - Latest Filament data
Available data for 20211026: »11 UTC   »12 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1330 1833 (N42W61 L=359)  1415    153        1 (1304/1779-1365/1915)  16.5 W53-W81 N39-N47
      2 1640  688 (S32W31 L=330)   543     95        0 (1611/ 640-1664/ 732)  45.0 W28-W33 S34-S29
      3 1278  538 (S30W02 L=301)   240     55        2 (1253/ 515-1307/ 561)  14.0 W00-W04 S31-S28
      4  657  318 (S28E48 L=251)   336     46        1 ( 637/ 289- 678/ 345)  63.4 E50-E46 S30-S25
  
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» All Filament Data of 20211026 ...
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