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20220417 - Filament data for 12 UTC
Available data for 20220417: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1180 1873 (N57E28 L=151)   831     76        0 (1145/1850-1212/1897)  81.9 E32-E23 N52-N60
      2  361 1624 (N13E70 L=109)  3544    242        8 ( 298/1570- 426/1704) -79.7 E81-E63 N08-N19
      3  443 1629 (N15E60 L=119)   585    101        2 ( 416/1595- 477/1668)  90.0 E62-E57 N12-N17
      4 1365 1625 (N42W03 L=182)   316     22        1 (1345/1600-1382/1650) -45.0 W01-W04 N39-N43
      5  296  589 (S53E53 L=126)   880    108        1 ( 244/ 571- 356/ 610)   2.7 E65-E43 S54-S51
      6 1415  316 (S32W57 L=236)  1662    240        0 (1300/ 289-1532/ 353)  30.5 W47-W65 S36-S26
      7 1081  155 (S56W57 L=236)   623     71        0 (1051/ 135-1120/ 175) -49.4 W53-W61 S59-S52
Download Binary data for this image

» All Filament Data of 20220417 ... 		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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