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20210508 - Latest Filament data
Available data for 20210508: »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  992 1670 (N35E22 L= 17)   339     76        0 ( 955/1657-1034/1686)  21.8 E24-E18 N33-N36
      2  421 1648 (N19E65 L=333)  1062     84        3 ( 374/1613- 449/1685)  31.0 E70-E60 N17-N22
      3  361  545 (S51E46 L=353)   508     51        0 ( 343/ 522- 381/ 576) -90.0 E49-E41 S53-S48
Download Binary data for this image

» All Filament Data of 20210508 ... 		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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