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20221228 - Latest Filament data
Available data for 20221228: »08 UTC   »09 UTC   »10 UTC   »11 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1696 1429 (N21W51 L=102)  2073    319        8 (1588/1350-1808/1530) -36.3 W42-W60 N15-N27
      2 1772  804 (S17W53 L=105)  1745    409        0 (1687/ 629-1863/ 971)  61.2 W48-W61 S28-S07
      3 1267  582 (S31W15 L= 67)   396    157        0 (1231/ 512-1324/ 623)  49.4 W13-W19 S35-S27
      4  500  555 (S29E41 L= 11)   733    166        0 ( 425/ 516- 580/ 585)   7.1 E49-E33 S31-S27
      5  889  324 (S48E16 L= 36)   577     80        1 ( 850/ 300- 933/ 356) -38.7 E19-E12 S50-S45
      6  724  321 (S48E32 L= 20)   305     71        0 ( 698/ 291- 745/ 352)  24.0 E36-E27 S50-S45
      7 1008  323 (S49E05 L= 46)   267     42        1 ( 982/ 307-1028/ 349)  53.1 E07-E03 S50-S46
  
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» All Filament Data of 20221228 ...
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