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20220817 - Filament data for 10 UTC
Available data for 20220817: »05 UTC   »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  790 1726 (N59E04 L=  3)  1995    299        4 ( 690/1647- 920/1784)   6.1 E16-W13 N53-N62
      2 1231 1715 (N46W37 L= 43)  1174    173        1 (1144/1686-1322/1740)  -6.3 W28-W46 N43-N48
      3 1459 1686 (N38W54 L= 61)   772    115        1 (1415/1661-1519/1701) -24.0 W49-W60 N35-N39
      4 1547 1517 (N25W49 L= 55)   337    135        0 (1504/1479-1579/1538) -36.9 W44-W51 N23-N27
      5 1356 1264 (N15W25 L= 32)  1325    311        3 (1283/1146-1398/1368)  81.9 W21-W27 N08-N22
      6  636 1341 (N32E21 L=345)   288     71        0 ( 604/1312- 674/1363)  11.3 E23-E18 N30-N33
      7  789 1241 (N24E11 L=355)   284    105        1 ( 779/1182- 806/1285)  71.6 E12-E09 N20-N26
      8  619 1087 (N17E25 L=342)   458    150        0 ( 548/1061- 680/1117)   6.3 E29-E20 N15-N17
      9 1790  728 (S28W53 L= 59)  2174    206        5 (1739/ 661-1836/ 797) -50.7 W46-W60 S33-S22
     10  990  240 (S47E23 L=343)   924    154        0 ( 924/ 203-1060/ 283)   8.1 E30-E15 S49-S43
  
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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