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20210218 - Filament data for 13 UTC
Available data for 20210218: »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  380  682 (S39E42 L=319)  1633    405        2 ( 283/ 534- 512/ 846)  36.9 E62-E29 S51-S27
      2 1117  438 (S40W22 L= 23)   253     27        1 (1100/ 417-1136/ 460) -26.6 W20-W24 S40-S38
      3 1254  354 (S41W37 L= 38)  1105    214        1 (1194/ 277-1309/ 432) -19.3 W28-W48 S45-S37
      4 1430  304 (S39W56 L= 57)   555     84        1 (1384/ 289-1481/ 319)  26.6 W52-W61 S40-S36
Download Binary data for this image

» All Filament Data of 20210218 ... 		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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