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20210818 - Filament data for 11 UTC
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 1123 1760 (N52W32 L=162)   384     53        1 (1100/1736-1148/1780)  14.0 W28-W36 N50-N53
      2  872 1641 (N49W03 L=133)   335     31        2 ( 846/1620- 896/1662) -26.6 W00-W04 N47-N51
      3 1592 1590 (N28W58 L=189)   536    110        0 (1552/1558-1628/1630) -71.6 W56-W60 N25-N31
      4 1749 1432 (N15W64 L=194)   564     64        1 (1724/1412-1782/1453) -45.0 W60-W66 N12-N16
      5  226 1390 (N41E70 L= 61)   823     81        1 ( 201/1356- 263/1416)  -6.7 E78-E61 N38-N42
      6 1659  433 (S49W45 L=176)  1138    106        2 (1609/ 414-1703/ 469) -14.7 W37-W56 S52-S44
      7 1412  418 (S41W16 L=147)   492     43        1 (1388/ 388-1433/ 453) -80.5 W14-W18 S44-S38
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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