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20250308 - Filament data for 08 UTC
Available data for 20250308: »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  613 1672 (N22E45 L=238)  1723    192        4 ( 532/1621- 709/1703)  32.5 E50-E39 N17-N25
      2 1525 1510 (N35W20 L=303)  1284    225        2 (1415/1449-1619/1564)  -3.2 W10-W28 N33-N37
      3  285 1499 (N05E65 L=218)  1009    114        3 ( 240/1453- 316/1545) -80.5 E69-E62 N02-N08
      4  505 1332 (S01E38 L=245)   261    111        0 ( 458/1309- 563/1353)   0.0 E42-E33 S01-N00
      5 1793 1217 (N25W46 L=329)  1067    259        2 (1760/1096-1819/1340) -70.3 W42-W49 N18-N32
      6  193 1259 (S10E65 L=218)   526     51        1 ( 170/1230- 215/1287) -26.6 E68-E61 S11-S08
      7  802 1225 (S01E17 L=266)   367     99        2 ( 752/1199- 843/1248)   9.5 E20-E14 S02-N00
      8 1711 1147 (N18W39 L=322)   269     41        1 (1690/1132-1739/1162)   0.0 W37-W41 N16-N19
      9  995  899 (S15W01 L=284)   221    108        0 ( 973/ 844-1026/ 942) -81.9 W00-W02 S18-S11
     10 1839  819 (N04W60 L=343)   508    137        0 (1772/ 796-1882/ 858)  35.0 W53-W64 N01-N08
     11  973  759 (S23W04 L=287)   221     47        1 ( 951/ 734- 996/ 786) -45.0 W02-W05 S24-S21
     12  956  705 (S27W04 L=287)   190     77        1 ( 928/ 671- 983/ 731) -36.9 W02-W06 S28-S25
     13  488  575 (S47E29 L=254)   780    145        1 ( 432/ 535- 558/ 614)  -4.4 E34-E21 S48-S45
     14  619  542 (S46E16 L=267)   348     60        1 ( 589/ 515- 642/ 576) -63.4 E18-E13 S47-S43
  
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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