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20210730 - Latest Filament data
Available data for 20210730: »04 UTC   »05 UTC   »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 1559  832 (S13W33 L= 53)   268     66        0 (1528/ 806-1587/ 853) -31.0 W30-W35 S14-S10
      2 1248  600 (S24W10 L= 30)   225     65        1 (1223/ 573-1266/ 636)  63.4 W08-W11 S25-S21
      3 1201  504 (S30W06 L= 27)   400     81        0 (1167/ 475-1243/ 530)  18.4 W03-W09 S31-S28
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» All Filament Data of 20210730 ... 		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

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