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20210422 - Latest Filament data
Available data for 20210422: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »12 UTC   »13 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1612 1561 (N48W27 L=278)   518     41        1 (1584/1536-1641/1580)  23.2 W24-W31 N44-N50
      2  376  518 (S56E43 L=207)  1667    257        1 ( 267/ 484- 487/ 577)   3.2 E63-E26 S57-S52
      3 1173  528 (S28W25 L=275)   228     31        0 (1156/ 511-1196/ 548) -18.4 W23-W26 S29-S27
Download Binary data for this image

» All Filament Data of 20210422 ... 		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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