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20220425 - Filament data for 12 UTC
Available data for 20220425: »05 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 1413 1710 (N52W05 L= 79)   569     67        0 (1377/1675-1443/1739)  66.0 W02-W07 N47-N56
      2  764 1639 (N24E36 L= 38)   262     84        0 ( 753/1604- 780/1684) -56.3 E37-E33 N21-N27
      3 1150 1446 (N23E05 L= 69)   910    373        0 (1101/1305-1202/1560) -73.6 E08-E02 N13-N30
      4  774 1504 (N16E29 L= 45)   263     28        1 ( 754/1479- 792/1526) -26.6 E30-E26 N14-N17
      5 1742 1385 (N39W42 L=116)   824    111        1 (1688/1358-1783/1408)   5.2 W35-W47 N37-N41
      6 1302 1296 (N18W08 L= 82)   283     96        1 (1255/1266-1345/1320)   0.0 W05-W11 N17-N19
      7 1821 1234 (N32W52 L=125)   376     47        1 (1801/1212-1837/1257) -18.4 W49-W53 N30-N33
      8  244 1088 (S20E56 L= 18)   911    136        2 ( 212/1023- 288/1148)  82.9 E60-E51 S24-S16
      9 1524 1124 (N15W27 L=100)   217      1        0 (1507/1106-1541/1143) -26.6 W25-W27 N13-N15
     10  170 1099 (S21E66 L=  7)   725     71        3 ( 151/1061- 192/1134)  59.0 E69-E63 S23-S18
     11 1633 1053 (N14W36 L=109)   339     65        0 (1613/1025-1650/1083) -26.6 W33-W37 N12-N15
     12  753  638 (S34E06 L= 68)   230     37        0 ( 731/ 624- 784/ 657)  14.0 E07-E03 S35-S33
     13 1551  373 (S25W62 L=136)   650     82        1 (1526/ 337-1574/ 418) -56.3 W58-W66 S27-S21
     14 1061  220 (S53W42 L=115)  1814    249        1 ( 988/ 167-1155/ 284)  -2.1 W29-W57 S55-S49
  
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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