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20171222 - Filament data for 11 UTC
Available data for 20171222: »08 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1294 1855 (N54W38 L=150)   766    168        1 (1258/1820-1334/1887)  19.7 W32-W46 N50-N57
      2 1108 1607 (N34W11 L=122)   367     62        0 (1091/1568-1135/1632)  45.0 W09-W13 N31-N36
      3 1353 1497 (N25W26 L=137)   314     50        1 (1336/1472-1379/1527) -63.4 W24-W27 N23-N27
      4 1406  966 (S08W23 L=135)   216     66        0 (1380/ 947-1446/ 980)  14.0 W21-W25 S08-S07
      5 1656  859 (S16W41 L=152)   316     63        1 (1623/ 843-1687/ 876) -11.3 W38-W43 S16-S14
      6 1728  694 (S26W48 L=160)   489    104        0 (1683/ 679-1766/ 710)   0.0 W44-W52 S27-S25
      7 1605  420 (S45W45 L=157)   630    167        0 (1576/ 401-1654/ 461) -24.4 W40-W51 S46-S41
      8  990  289 (S51E11 L=100)   458     98        0 ( 957/ 254-1029/ 331) -63.4 E13-E08 S54-S46
  
Download Binary data for this image

» All Filament Data of 20171222 ...
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