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20220320 - Filament data for 08 UTC
Available data for 20220320: »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  768 1756 (N30E42 L=148)   469     83        0 ( 742/1718- 791/1791) -32.0 E46-E38 N27-N32
      2  500 1645 (N16E55 L=136)   423     61        2 ( 472/1623- 530/1666)  26.6 E57-E52 N14-N17
      3 1409 1638 (N42W06 L=197)   316     55        0 (1387/1603-1424/1662) -59.0 W04-W08 N39-N44
      4 1883  932 (N15W62 L=253)   822    129        2 (1867/ 881-1910/1002) -56.3 W59-W68 N11-N18
      5 1251  166 (S48W67 L=258)  1113     91        0 (1235/ 119-1263/ 216)  -8.1 W56-W84 S50-S45
  
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» All Filament Data of 20220320 ...
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