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20210721 - Filament data for 05 UTC
Available data for 20210721: »05 UTC   »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  851 1560 (N41E10 L=134)   301     73        0 ( 837/1520- 861/1599)  80.5 E10-E08 N38-N44
      2 1233 1576 (N39W21 L=165)   281     27        0 (1210/1561-1260/1589)  14.0 W19-W23 N37-N40
      3 1518  352 (S47W42 L=186)   603     74        0 (1488/ 335-1557/ 376) -21.0 W36-W49 S49-S44
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» All Filament Data of 20210721 ... 		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

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