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20210718 - Filament data for 12 UTC
Available data for 20210718: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »12 UTC   »13 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  764 1533 (N39E18 L=162)   682    181        0 ( 691/1492- 846/1567) -12.1 E24-E10 N35-N41
      2  470 1527 (N39E45 L=134)   378     48        0 ( 453/1501- 485/1555) -76.0 E47-E43 N37-N41
      3 1260  318 (S46W16 L=196)   692    120        0 (1200/ 298-1301/ 348) -21.8 W10-W20 S48-S43
Download Binary data for this image

» All Filament Data of 20210718 ... 		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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