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20220121 - Filament data for 12 UTC
Available data for 20220121: »08 UTC   »09 UTC   »10 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  817 1806 (N46E29 L=203)   652     97        0 ( 779/1768- 853/1838)  74.1 E31-E26 N42-N49
      2  668 1780 (N43E41 L=191)  1369    132        2 ( 609/1734- 732/1812)  -7.6 E50-E34 N38-N45
      3  393 1487 (N19E50 L=182)  1309    240        3 ( 365/1402- 433/1590) -69.0 E53-E44 N13-N26
      4 1627  333 (S40W72 L=304)   854     81        0 (1609/ 298-1646/ 377) -19.7 W67-W83 S42-S37
      5  725  318 (S55E21 L=211)   406     37        0 ( 705/ 293- 744/ 344) -63.4 E22-E18 S57-S53
      6  640  313 (S57E32 L=200)   528     63        1 ( 611/ 292- 675/ 341)   0.0 E36-E26 S58-S54
Download Binary data for this image

» All Filament Data of 20220121 ... 		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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