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20210217 - Latest Filament data
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  343  853 (S29E45 L=329)   263     55        0 ( 324/ 825- 369/ 872)  45.0 E46-E41 S30-S27
      2  252  684 (S41E59 L=315)   791     84        0 ( 227/ 641- 277/ 730)  33.7 E64-E53 S43-S37
      3  415  593 (S45E40 L=334)   384     71        1 ( 376/ 575- 455/ 614)  -6.3 E44-E35 S45-S43
      4 1133  407 (S41W25 L= 39)   978    218        2 (1048/ 333-1198/ 487) -15.5 W16-W34 S44-S37
      5 1327  347 (S40W44 L= 57)   491     86        0 (1277/ 334-1376/ 358)  26.6 W39-W47 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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