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20230904 - Filament data for 12 UTC
Available data for 20230904: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 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 1622 1670 (N27W71 L= 61)   739    140        0 (1576/1628-1688/1702) -53.1 W67-W75 N22-N30
      2 1527 1557 (N24W51 L= 41)   745    146        2 (1506/1488-1545/1629)  41.6 W46-W56 N20-N28
      3 1182 1554 (N34W26 L= 16)  1020    180        0 (1106/1501-1257/1602) -63.4 W21-W29 N29-N39
      4  915 1276 (N24E01 L=349)   386     94        1 ( 894/1234- 935/1322)  71.6 E02-W00 N21-N27
      5 1227 1263 (N16W18 L=  8)   745    240        0 (1124/1207-1320/1319) -54.0 W13-W22 N10-N21
      6  812 1182 (N21E09 L=341)   253     80        2 ( 784/1152- 832/1212)  45.0 E11-E07 N19-N22
      7  489 1047 (N19E34 L=316)   513    132        0 ( 471/ 993- 515/1106)  50.2 E35-E30 N16-N22
      8 1337 1016 (S00W18 L=  8)   312     89        1 (1301/ 986-1368/1044)  11.3 W15-W20 S01-N00
      9  169  812 (N09E71 L=279)  1068     87        2 ( 123/ 791- 206/ 834)   6.0 E83-E64 N07-N10
     10 1234  664 (S19W04 L=354)   719    230        1 (1155/ 616-1278/ 758)  53.1 E01-W07 S21-S12
     11 1450  653 (S25W18 L=  8)  1077    316        2 (1330/ 580-1588/ 732)   5.4 W08-W29 S27-S22
     12  874  530 (S19E21 L=329)   276     98        0 ( 855/ 486- 886/ 585)  50.2 E23-E18 S21-S15
     13  641  357 (S26E45 L=305)   668    119        1 ( 622/ 307- 660/ 418)  35.0 E50-E40 S29-S22
     14  655  207 (S39E62 L=288)   824     56        2 ( 637/ 172- 670/ 235)  25.0 E72-E55 S43-S36
  
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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