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20230507 - Filament data for 05 UTC
Available data for 20230507: »05 UTC   »06 UTC   »07 UTC   »11 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  617 1583 (N19E42 L= 98)   551    189        1 ( 556/1558- 699/1640)  -3.8 E50-E35 N17-N21
      2  415 1006 (S19E38 L=102)   485    166        0 ( 367/ 946- 478/1046)  48.8 E41-E34 S23-S15
      3 1446  917 (N01W27 L=168)   234     74        0 (1419/ 882-1467/ 941) -14.0 W25-W29 N00-N02
      4 1476  794 (S05W33 L=174)   339     76        0 (1452/ 756-1495/ 841) -80.5 W31-W34 S07-S01
      5 1681  452 (S18W69 L=210)   980     91        2 (1632/ 430-1728/ 479)   7.1 W62-W78 S19-S15
  
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» All Filament Data of 20230507 ...
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