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20211009 - Latest Filament data
Available data for 20211009: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »13 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1120 1825 (N51W46 L=208)   424     35        0 (1097/1799-1140/1845)  45.0 W43-W48 N48-N52
      2 1791  800 (S30W47 L=209)  1212    245        2 (1730/ 702-1843/ 912)  32.7 W39-W53 S34-S24
      3 1413  365 (S47W06 L=169)   958    179        3 (1368/ 306-1443/ 455)  50.7 W01-W10 S51-S40
      4 1176  203 (S53E22 L=141)   433     65        0 (1141/ 191-1213/ 217) -45.0 E25-E19 S55-S50
  
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» All Filament Data of 20211009 ...
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