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20210501 - Latest Filament data
Available data for 20210501: »05 UTC   »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  385  680 (S41E38 L= 92)   288     63        0 ( 364/ 654- 415/ 699)  29.7 E41-E34 S43-S39
      2  438  560 (S49E33 L= 97)   421     61        1 ( 416/ 524- 462/ 587)  63.4 E35-E30 S51-S45
      3  689  364 (S56E03 L=127)   913    135        2 ( 626/ 319- 739/ 408) -12.1 E10-W04 S59-S53
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» All Filament Data of 20210501 ... 		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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