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20210818 - Filament data for 12 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  880 1643 (N49W03 L=133)   257     23        0 ( 858/1623- 898/1664) -76.0 W01-W04 N47-N51
      2 1599 1589 (N28W59 L=189)   391     83        0 (1565/1565-1633/1619) -68.2 W57-W61 N25-N30
      3 1750 1436 (N15W64 L=194)   406     41        0 (1730/1417-1772/1455) -21.8 W61-W67 N13-N15
      4  229 1394 (N41E69 L= 60)   743     64        2 ( 200/1375- 263/1422)   0.0 E76-E61 N39-N42
      5 1665  435 (S49W46 L=176)  1054    106        1 (1618/ 416-1705/ 473) -14.7 W38-W57 S52-S44
      6 1416  423 (S41W17 L=146)   468     84        1 (1384/ 390-1439/ 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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