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20210821 - Filament data for 13 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  521 1512 (N47E32 L= 58)  2237    323        8 ( 424/1412- 633/1579) -27.5 E45-E20 N37-N53
      2  428 1464 (N45E41 L= 48)  1256    135        4 ( 380/1391- 477/1520) -45.0 E49-E35 N39-N49
      3  284 1164 (N27E53 L= 37)   439     88        0 ( 267/1115- 299/1204) -63.4 E54-E50 N23-N29
      4  706  572 (S15E29 L= 60)   256     84        0 ( 670/ 537- 738/ 602) -59.0 E30-E27 S17-S12
      5  600  399 (S25E44 L= 45)  1012    127        1 ( 552/ 354- 652/ 439) -60.3 E47-E41 S29-S21
      6 1181  194 (S57E11 L= 78)   549     55        1 (1164/ 160-1201/ 219)  77.5 E13-E08 S62-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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