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20250818 - Filament data for 10 UTC
Available data for 20250818: »06 UTC   »07 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 1432 1796 (N45W65 L=352)  2159    172        3 (1386/1735-1462/1853)  16.9 W56-W85 N40-N47
      2  809 1749 (N60E01 L=286)   629     92        1 ( 782/1702- 837/1788)  53.1 E03-W03 N55-N63
      3 1351 1563 (N32W36 L=323)  2514    391        5 (1216/1492-1548/1645) -41.6 W27-W47 N23-N40
      4 1572 1589 (N28W55 L=342)   394     63        1 (1542/1563-1605/1612) -36.9 W53-W58 N26-N30
      5  430 1444 (N42E41 L=247)  1828    330        3 ( 276/1399- 562/1488)  -7.9 E62-E26 N37-N46
      6 1758 1368 (N11W60 L=347)   494     53        1 (1736/1336-1785/1396) -78.7 W57-W61 N08-N13
      7 1086 1093 (N10W05 L=292)   721    219        1 (1005/1029-1163/1155) -55.0 W01-W08 N04-N14
      8 1861 1034 (S10W60 L=347)   483     64        0 (1850/1000-1873/1070)  53.1 W58-W62 S12-S08
      9  340  980 (N14E47 L=240)   360    109        0 ( 290/ 949- 372/1007)  14.0 E51-E43 N12-N15
     10 1460  867 (S11W24 L=311)   272    100        0 (1432/ 825-1502/ 899)  36.9 W21-W26 S12-S09
     11 1613  621 (S30W34 L=321)  2314    418        2 (1462/ 523-1740/ 779)  19.8 W20-W45 S35-S22
     12 1302  582 (S25W10 L=297)   335    100        0 (1256/ 566-1345/ 607)   0.0 W06-W12 S26-S24
     13  461  479 (S19E51 L=236)  1446    252        3 ( 393/ 389- 543/ 573) -77.9 E53-E46 S25-S11
     14  909  239 (S44E29 L=258)  3240    450        5 ( 746/ 173-1111/ 326)   8.1 E51-E09 S48-S40
  
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» All Filament Data of 20250818 ...
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