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20210915 - Filament data for 09 UTC
Available data for 20210915: »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1599 1655 (N25W66 L=187)   825    174        0 (1526/1614-1674/1699) -52.1 W62-W71 N20-N29
      2  220 1178 (N33E59 L= 62)   456     73        1 ( 187/1147- 252/1205) -16.7 E64-E54 N30-N35
      3  576  441 (S17E46 L= 76)   319     51        1 ( 553/ 419- 607/ 460)   0.0 E48-E42 S18-S16
      4 1437  378 (S47W11 L=132)   425     58        1 (1418/ 354-1464/ 407) -68.2 W09-W13 S48-S43
      5  739  221 (S37E51 L= 71)   627     99        1 ( 687/ 204- 778/ 248)   0.0 E57-E44 S38-S35
Download Binary data for this image

» All Filament Data of 20210915 ... 		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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