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20150723 - Filament data for 12 UTC
Available data for 20150723: »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 1787 1268 (N12W59 L=304)  1024    248        1 (1733/1175-1820/1359) -76.0 W55-W62 N06-N18
      2 1080  869 (S05W02 L=247)   270     61        1 (1045/ 836-1106/ 895) -56.3 W00-W03 S07-S03
      3 1405  594 (S26W23 L=268)   361     92        0 (1385/ 553-1428/ 637) -71.6 W21-W24 S28-S22
      4  477  349 (S38E53 L=192)   906    207        1 ( 439/ 330- 529/ 374)   9.5 E59-E47 S39-S35
  
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» All Filament Data of 20150723 ...
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