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20210821 - Filament data for 12 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  517 1511 (N47E32 L= 58)  2091    391        4 ( 422/1412- 630/1579) -27.5 E45-E20 N38-N53
      2  425 1462 (N45E42 L= 48)  1238    135        4 ( 385/1387- 472/1519) -48.0 E49-E36 N39-N49
      3  280 1159 (N26E53 L= 37)   392     82        0 ( 266/1113- 296/1203) -71.6 E54-E51 N23-N29
      4  702  569 (S15E29 L= 60)   253     83        0 ( 665/ 536- 732/ 600) -68.2 E31-E28 S17-S12
      5  595  399 (S25E45 L= 45)   967    129        0 ( 548/ 357- 646/ 440) -60.3 E47-E42 S28-S21
      6 1179  192 (S57E12 L= 78)   511     65        1 (1163/ 158-1197/ 219)  71.6 E14-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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