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20211220 - Filament data for 12 UTC
Available data for 20211220: »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 1305 1852 (N54W42 L=336)   427     30        0 (1289/1825-1322/1873)  29.1 W37-W46 N51-N56
      2 1450 1579 (N30W36 L=330)   468     97        0 (1406/1559-1495/1595)   0.0 W31-W39 N28-N31
      3  893  738 (S18E10 L=283)   212     64        0 ( 878/ 704- 910/ 771)  53.1 E11-E08 S19-S15
      4 1229  736 (S20W11 L=304)   258     31        1 (1202/ 717-1253/ 754)  18.4 W09-W12 S21-S19
      5 1212  533 (S34W09 L=303)  1055    288        0 (1089/ 459-1334/ 582)  18.4 W00-W18 S37-S31
      6  333  527 (S26E60 L=234)   814    115        1 ( 303/ 487- 354/ 578)  45.0 E64-E55 S28-S22
      7  391  502 (S28E55 L=239)   380     86        0 ( 367/ 476- 406/ 548)  29.7 E59-E51 S30-S25
      8  801  485 (S34E21 L=273)   819    209        0 ( 709/ 440- 880/ 542)  11.3 E28-E13 S36-S30
Download Binary data for this image

» All Filament Data of 20211220 ... 		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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