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20210217 - Filament data for 10 UTC
Available data for 20210217: »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  325  864 (S28E46 L=329)   280     49        0 ( 306/ 842- 353/ 883)  21.8 E48-E43 S29-S27
      2  249  720 (S38E58 L=318)   918    138        2 ( 217/ 657- 291/ 789)  36.9 E66-E50 S42-S33
      3 1048  471 (S39W16 L= 31)   278     82        0 (1032/ 443-1069/ 505) -53.1 W14-W18 S40-S36
      4 1148  388 (S42W27 L= 43)   711    110        2 (1113/ 339-1185/ 444) -36.9 W23-W33 S44-S38
      5 1312  357 (S40W42 L= 57)   476     74        0 (1269/ 343-1356/ 370)  14.0 W37-W45 S41-S37
Download Binary data for this image

» All Filament Data of 20210217 ... 		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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