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20170716 - Filament data for 12 UTC
Available data for 20170716: »06 UTC   »07 UTC   »08 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 1311 1244 (N16W20 L= 69)   438    180        2 (1221/1215-1390/1285)  14.0 W13-W25 N14-N18
      2 1869  969 (S05W64 L=114)   552    104        1 (1838/ 938-1886/ 996) -45.0 W60-W66 S07-S03
      3 1200  842 (S08W10 L= 60)   216     43        2 (1177/ 820-1222/ 866) -33.7 W08-W11 S09-S06
      4 1244  747 (S14W13 L= 62)   270     70        1 (1224/ 711-1260/ 784)  78.7 W11-W13 S16-S11
      5 1035  239 (S53E05 L= 45)   710    156        1 ( 972/ 209-1098/ 268) -24.4 E10-W01 S56-S49
  
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» All Filament Data of 20170716 ...
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