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20210428 - Latest Filament data
Available data for 20210428: »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 1610 1467 (N40W28 L=199)   463    111        0 (1554/1448-1660/1484)  21.8 W23-W33 N37-N42
      2  354  532 (S54E46 L=124)   729     71        2 ( 326/ 500- 385/ 565) -59.0 E51-E41 S56-S51
      3  428  476 (S57E36 L=134)   729     97        2 ( 395/ 443- 463/ 515) -78.7 E42-E30 S58-S53
      4  560  436 (S55E18 L=152)   328     39        0 ( 547/ 410- 572/ 469) -68.2 E19-E16 S57-S52
      5 1227  410 (S34W35 L=206)   339     88        2 (1190/ 376-1260/ 441)  -6.3 W30-W39 S34-S32
Download Binary data for this image

» All Filament Data of 20210428 ... 		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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