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20170728 - Filament data for 11 UTC
Available data for 20170728: »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 1471 1720 (N44W51 L=302)   537    106        1 (1443/1696-1496/1740)   8.1 W47-W54 N42-N45
      2 1624 1605 (N33W57 L=308)   589     65        1 (1598/1576-1642/1633)  53.1 W54-W58 N31-N35
      3 1707 1363 (N17W54 L=305)   433     85        3 (1687/1328-1730/1411) -80.5 W52-W55 N14-N20
      4  453 1299 (N27E38 L=213)   522     68        1 ( 433/1259- 478/1336)  78.7 E39-E35 N24-N29
      5 1691  545 (S35W47 L=298)   467    104        1 (1665/ 516-1717/ 574) -45.0 W43-W50 S38-S32
  
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» All Filament Data of 20170728 ...
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