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20230201 - Filament data for 13 UTC
Available data for 20230201: »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  981 1581 (N28E11 L=298)  1102    292        0 ( 887/1472-1063/1694) -39.1 E20-E04 N21-N34
      2 1142 1637 (N35E02 L=308)   566    127        0 (1079/1603-1194/1670) -14.0 E06-W02 N32-N36
      3 1736 1355 (N26W46 L=355)   862    149        0 (1707/1295-1763/1418)  71.6 W42-W48 N21-N30
      4 1648 1251 (N17W37 L=347)   991    204        3 (1575/1190-1704/1333) -37.9 W31-W42 N14-N21
      5 1811 1257 (N21W53 L=  2)   405     64        1 (1794/1228-1832/1286) -90.0 W51-W56 N19-N23
      6  164 1028 (S14E65 L=245)  1110    110        3 ( 137/ 979- 187/1093)  81.9 E68-E61 S17-S10
      7  226  986 (S16E57 L=253)   585     77        2 ( 185/ 959- 260/1018)  20.6 E61-E53 S18-S14
      8  517  924 (S18E31 L=278)   210    114        0 ( 472/ 901- 571/ 939)  15.9 E34-E27 S19-S16
      9  487  864 (S22E33 L=276)   418    112        1 ( 444/ 831- 537/ 896) -15.9 E36-E29 S23-S20
     10  194  782 (S29E64 L=245)  1351    125        2 ( 161/ 728- 235/ 834)  32.5 E71-E57 S32-S25
     11 1220  683 (S23W18 L=327)  1341    487        0 (1029/ 541-1358/ 829)  56.9 W08-W23 S35-S12
     12  754  796 (S23E14 L=295)   341    131        0 ( 685/ 776- 815/ 825)  26.6 E18-E10 S24-S20
     13 1548  564 (S24W45 L=354)   540    123        1 (1494/ 526-1597/ 603)  50.2 W42-W47 S27-S21
     14  587  310 (S61E35 L=274)   752     62        1 ( 559/ 285- 618/ 339) -15.9 E40-E29 S63-S58
  
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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