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20210912 - Filament data for 09 UTC
Available data for 20210912: »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 1400 1707 (N36W53 L=214)  1343    311        3 (1298/1612-1527/1810)  87.0 W49-W58 N26-N45
      2  776 1533 (N44E03 L=158)  1155    263        4 ( 640/1494- 888/1553) -21.8 E14-W06 N40-N49
      3 1302 1417 (N22W28 L=189)   405    137        0 (1248/1399-1363/1448) -33.7 W25-W31 N20-N25
      4  254 1006 (N22E55 L=106)   499     63        0 ( 219/ 984- 285/1026)  -7.1 E59-E51 N20-N23
      5 1778  975 (S16W48 L=209)   377    129        1 (1762/ 933-1815/1025)  33.7 W46-W53 S19-S14
      6 1368  306 (S50W04 L=165)   383     42        0 (1345/ 283-1389/ 328) -71.6 W01-W05 S53-S47
  
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» All Filament Data of 20210912 ...
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