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20210508 - Filament data for 12 UTC
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  985 1672 (N35E22 L= 17)   309     70        1 ( 950/1659-1026/1689)  21.8 E24-E19 N33-N36
      2  418 1645 (N19E65 L=334)   878     87        2 ( 383/1608- 441/1674) -39.8 E69-E61 N16-N21
      3  358  545 (S51E46 L=353)   477     44        1 ( 338/ 524- 379/ 571) -45.0 E49-E42 S53-S49
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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