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20210818 - Latest Filament data
Available data for 20210818: »10 UTC   »11 UTC   »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  884 1643 (N49W04 L=133)   273     24        0 ( 865/1622- 905/1665) -76.0 W02-W05 N47-N51
      2 1601 1594 (N28W60 L=189)   462     78        0 (1568/1567-1637/1627) -68.2 W58-W62 N25-N30
      3 1754 1437 (N15W65 L=194)   433     43        0 (1731/1422-1779/1454) -21.8 W61-W67 N13-N15
      4  231 1390 (N41E69 L= 61)   854     76        1 ( 207/1360- 264/1420)  -7.1 E77-E61 N38-N42
      5 1668  437 (S48W47 L=176)  1091    105        1 (1623/ 418-1706/ 475) -16.4 W39-W57 S52-S44
      6 1420  423 (S41W17 L=146)   527     77        0 (1390/ 390-1447/ 459) -60.3 W14-W19 S44-S37
Download Binary data for this image

» All Filament Data of 20210818 ... 		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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