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20210424 - Filament data for 13 UTC
Available data for 20210424: »05 UTC   »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  780  528 (S41E00 L=223)   274     68        0 ( 748/ 512- 818/ 548)   0.0 E03-W02 S41-S39
      2  638  414 (S54E09 L=215)  1544    247        3 ( 524/ 384- 751/ 455)   9.1 E22-W03 S58-S50
      3 1411  380 (S29W50 L=273)   541    121        1 (1351/ 351-1465/ 403)   9.5 W44-W56 S30-S27
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» All Filament Data of 20210424 ... 		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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