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20230317 - Filament data for 11 UTC
Available data for 20230317: »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  570 1698 (N21E52 L= 39)  2013    282        8 ( 520/1607- 637/1807) -25.7 E68-E41 N16-N29
      2  897 1717 (N31E30 L= 61)   350     71        0 ( 862/1690- 928/1739)   0.0 E33-E27 N29-N32
      3 1301 1265 (N14W09 L=100)   478    158        0 (1267/1206-1336/1338) -40.6 W05-W12 N11-N17
      4 1415 1256 (N17W16 L=107)   430    101        1 (1374/1232-1472/1276)   9.5 W13-W19 N14-N18
      5 1561  617 (S13W46 L=137)   277     66        1 (1522/ 597-1588/ 636)  36.9 W42-W47 S14-S11
      6 1363  521 (S25W37 L=128)   263    100        1 (1337/ 487-1395/ 562)  90.0 W36-W38 S27-S21
      7 1539  437 (S23W55 L=146)  1019     82        2 (1504/ 398-1579/ 480) -51.3 W51-W59 S25-S20
Download Binary data for this image

» All Filament Data of 20230317 ... 		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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