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20231231 - Latest Filament data
Available data for 20231231: »07 UTC   »08 UTC   »11 UTC   »12 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1626 1364 (N17W42 L=276)  1240    299        1 (1528/1256-1718/1483) -53.7 W36-W48 N10-N25
      2  431 1416 (N23E41 L=193)   311     90        0 ( 416/1367- 451/1459)  80.5 E42-E40 N19-N26
      3 1212 1410 (N20W13 L=247)   439    109        3 (1155/1374-1263/1445) -33.7 W09-W16 N18-N22
      4  344  799 (S14E48 L=186)  1225    267        1 ( 316/ 668- 377/ 925)  79.4 E52-E45 S22-S06
      5  831  788 (S17E13 L=221)   363    165        0 ( 774/ 768- 902/ 830) -15.9 E16-E08 S17-S13
      6  700  642 (S25E23 L=211)   256     90        1 ( 665/ 612- 739/ 664)  26.6 E25-E19 S27-S24
      7 1604  596 (S30W43 L=277)   355     81        0 (1570/ 568-1648/ 630)  38.7 W40-W46 S31-S27
      8 1693  469 (S38W60 L=294)   755     72        1 (1673/ 430-1708/ 509) -31.0 W55-W65 S41-S35
      9 1432  462 (S39W32 L=266)  1097    234        3 (1336/ 433-1549/ 500)   6.3 W23-W42 S41-S36
  
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» All Filament Data of 20231231 ...
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