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20230731 - Filament data for 08 UTC
Available data for 20230731: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »11 UTC   »12 UTC   »13 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1647 1663 (N36W74 L=169)   709     69        0 (1637/1622-1657/1696)  15.9 W68-W84 N33-N37
      2 1771 1422 (N19W66 L=161)  1487    150        4 (1731/1357-1804/1490)  28.3 W58-W76 N15-N22
      3  536 1300 (N27E32 L= 63)   430    133        0 ( 484/1253- 579/1320) -26.6 E36-E28 N23-N28
      4  305 1208 (N22E52 L= 43)  1139    282        4 ( 239/1125- 348/1310)  74.7 E58-E47 N17-N28
      5 1234 1159 (N11W14 L=109)   192     70        0 (1198/1140-1261/1177)   0.0 W12-W16 N10-N12
      6  156 1060 (N13E70 L= 25)  1366    133        2 ( 125/1011- 180/1119)  40.6 E76-E66 N10-N16
      7  960  819 (S06E06 L= 89)   962    248        1 ( 931/ 696- 987/ 921)  85.9 E07-E04 S14-N00
      8 1750  855 (S14W50 L=144)   517     42        1 (1725/ 830-1770/ 884)  56.3 W47-W51 S16-S12
      9  537  633 (S15E37 L= 58)   396    118        1 ( 500/ 610- 585/ 649)   8.1 E40-E33 S15-S13
     10 1498  518 (S34W29 L=124)   371     80        1 (1454/ 500-1537/ 533)  -8.1 W25-W32 S35-S32
  
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» All Filament Data of 20230731 ...
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