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20211218 - Filament data for 13 UTC
Available data for 20211218: »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 1194 1837 (N53W29 L=349)   812    113        3 (1137/1806-1240/1861)   4.8 W22-W34 N50-N55
      2  739 1454 (N28E15 L=304)   215     52        1 ( 715/1432- 768/1474)  33.7 E16-E13 N26-N28
      3  676  850 (S09E23 L=297)   248     90        0 ( 635/ 830- 722/ 864)   0.0 E25-E19 S09-S07
      4  929  522 (S32E11 L=308)   825    334        0 ( 803/ 464-1077/ 607)  15.9 E21-W00 S34-S27
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» All Filament Data of 20211218 ... 		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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