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20210918 - Filament data for 13 UTC
Available data for 20210918: »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC   »16 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  448 1365 (N41E33 L= 46)   280     36        1 ( 425/1343- 474/1380) -21.8 E35-E30 N39-N42
      2  630 1314 (N34E18 L= 61)   722    207        0 ( 539/1273- 728/1341) -29.7 E25-E11 N28-N36
      3  562  383 (S21E51 L= 29)   719    108        1 ( 532/ 345- 593/ 443)  24.4 E55-E44 S23-S17
      4  761  298 (S31E41 L= 38)   652    115        1 ( 735/ 251- 783/ 354)  35.0 E46-E36 S34-S27
      5 1018  259 (S41E27 L= 53)  1125    131        3 ( 963/ 220-1052/ 314) -74.1 E31-E22 S45-S36
Download Binary data for this image

» All Filament Data of 20210918 ... 		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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