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20230425 - Latest Filament data
Available data for 20230425: »05 UTC   »06 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1015 1880 (N51E41 L=259)   537     44        1 ( 993/1863-1044/1904)  76.0 E45-E36 N48-N54
      2  556 1786 (N29E67 L=232)  2142    114        3 ( 514/1748- 612/1831)   3.6 E85-W00 N26-N33
      3 1585 1627 (N53W25 L=324)  1435    186        2 (1498/1576-1647/1677)  -6.3 W14-W33 N49-N55
      4  409 1580 (N12E60 L=239)   718    139        1 ( 364/1518- 455/1631)  90.0 E61-E58 N07-N16
      5  588 1450 (N08E38 L=261)  1176    293        0 ( 526/1349- 624/1574) -60.3 E46-E34 N01-N15
      6 1572 1360 (N31W26 L=325)   771    265        3 (1545/1248-1601/1484) -60.3 W21-W29 N24-N38
      7 1416 1354 (N25W14 L=313)   302    152        1 (1377/1284-1442/1407) -45.0 W10-W16 N21-N27
      8  162 1127 (S19E68 L=231)   639     55        1 ( 137/1106- 194/1149)   0.0 E72-E62 S20-S17
      9 1800 1088 (N22W50 L=349)   422     94        1 (1754/1054-1830/1106)  -7.1 W45-W54 N20-N23
     10  626  678 (S36E16 L=283)   535    127        2 ( 562/ 648- 680/ 719)  45.0 E20-E12 S39-S31
     11 1427  545 (S20W40 L=339)  2076    414        2 (1365/ 395-1560/ 669) -68.7 W35-W49 S27-S09
     12 1051  496 (S34W19 L=318)   490    100        0 (1006/ 476-1111/ 516)  14.0 W15-W23 S35-S32
     13 1622  480 (S17W60 L=359)   383     70        0 (1600/ 447-1639/ 509) -14.0 W55-W63 S17-S15
     14  942  381 (S45W18 L=317)  1107    231        1 ( 856/ 355-1065/ 420)  16.4 W10-W27 S47-S41
  
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» All Filament Data of 20230425 ...
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