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20210821 - Filament data for 06 UTC
Available data for 20210821: »05 UTC   »06 UTC   »07 UTC   »08 UTC   »09 UTC   »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 1220 1770 (N50W42 L=136)   685    110        1 (1189/1711-1239/1817)  36.9 W37-W49 N44-N53
      2  453 1485 (N46E39 L= 54)  3274    419        4 ( 365/1379- 582/1568) -19.7 E52-E24 N39-N53
      3  398  511 (S15E56 L= 37)   399     38        0 ( 374/ 497- 423/ 527)   0.0 E59-E53 S16-S14
      4  558  395 (S25E48 L= 45)   958    126        0 ( 512/ 353- 610/ 433) -66.8 E51-E45 S28-S21
      5 1158  183 (S58E14 L= 79)   887     72        2 (1128/ 147-1190/ 213)  65.6 E19-E10 S63-S52
      6 1057  143 (S60E29 L= 64)   754     78        0 (1041/ 105-1078/ 184)  43.2 E40-E24 S68-S53
Download Binary data for this image

» All Filament Data of 20210821 ... 		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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