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20210721 - Filament data for 11 UTC
Available data for 20210721: »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  896 1579 (N42E06 L=134)   322     61        0 ( 880/1544- 911/1614)  78.7 E07-E04 N39-N44
      2 1268 1583 (N39W24 L=165)   318     38        0 (1246/1564-1301/1599)  11.3 W22-W27 N37-N40
      3 1543  365 (S46W44 L=185)   466     45        0 (1516/ 350-1572/ 383) -16.7 W39-W49 S47-S43
      4  888  352 (S40E17 L=124)   311     90        0 ( 848/ 338- 937/ 363)   0.0 E20-E12 S40-S38
Download Binary data for this image

» All Filament Data of 20210721 ... 		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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