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20210821 - Filament data for 08 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 1237 1745 (N47W41 L=133)   377     78        1 (1222/1707-1255/1787)  40.6 W38-W45 N44-N50
      2  495 1509 (N47E35 L= 58)  2095    265        7 ( 409/1420- 595/1572) -28.3 E49-E23 N39-N53
      3  409 1455 (N45E44 L= 49)  1279    159        1 ( 376/1379- 454/1518) -45.0 E51-E37 N39-N49
      4  662  570 (S15E32 L= 60)   237     66        0 ( 631/ 548- 693/ 594) -53.1 E33-E30 S16-S12
      5  567  398 (S25E47 L= 45)   944    132        2 ( 513/ 352- 623/ 443) -66.8 E50-E44 S29-S21
      6 1161  193 (S57E13 L= 79)   648     59        1 (1133/ 173-1194/ 212)  14.0 E16-E08 S59-S53
      7 1065  153 (S59E27 L= 65)   596     59        0 (1052/ 128-1087/ 184)  58.0 E32-E23 S62-S54
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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