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20230530 - Latest Filament data
Available data for 20230530: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1221 1591 (N39W02 L=195)   300     48        0 (1198/1572-1250/1616) -26.6 W00-W04 N37-N40
      2 1493 1427 (N33W25 L=218)   350     40        0 (1469/1405-1520/1453) -26.6 W23-W27 N31-N34
      3  125 1042 (S15E75 L=118)  1064    109        4 ( 110/1000- 149/1094) -39.8 E79-E69 S17-S12
      4 1575 1027 (N09W35 L=228)   588    148        1 (1511/1009-1656/1055)  15.3 W30-W41 N07-N11
      5  562  842 (S20E26 L=167)  1812    502        4 ( 398/ 725- 743/1004)  45.0 E39-E16 S30-S07
      6 1450  620 (S17W36 L=229)   301     24        0 (1429/ 602-1476/ 640)   0.0 W34-W38 S18-S15
      7 1792  576 (S13W72 L=265)   861     88        0 (1756/ 554-1833/ 594)  17.1 W67-W82 S15-S11
      8 1048  227 (S55W28 L=221)   788     93        1 (1009/ 210-1093/ 253)   0.0 W22-W33 S57-S52
  
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» All Filament Data of 20230530 ...
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