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20210128 - Filament data for 09 UTC
Available data for 20210128: »07 UTC   »08 UTC   »09 UTC   »10 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  828 1744 (N39E27 L=253)   609     86        1 ( 801/1704- 862/1789) -36.9 E30-E22 N35-N42
      2  397  579 (S40E46 L=234)   395     66        1 ( 367/ 559- 440/ 599)  18.4 E49-E40 S41-S38
      3 1664  508 (S26W58 L=338)   406     61        1 (1634/ 488-1696/ 531)  31.0 W55-W60 S27-S24
      4  999  412 (S45W08 L=288)   244    105        0 ( 969/ 377-1028/ 463)  66.8 W06-W09 S47-S40
Download Binary data for this image

» All Filament Data of 20210128 ... 		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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