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20210401 - Filament data for 07 UTC
Available data for 20210401: »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  443  584 (S50E31 L=139)   335     70        0 ( 428/ 546- 461/ 626) -80.5 E32-E29 S52-S46
      2  926  463 (S41W14 L=184)   270     85        0 ( 904/ 426- 956/ 503) -81.9 W12-W15 S44-S37
      3  770  413 (S51W05 L=175)   268     24        0 ( 752/ 393- 790/ 433) -26.6 W03-W07 S52-S49
      4 1091  188 (S54W51 L=222)   449     57        0 (1072/ 161-1110/ 216) -26.6 W47-W57 S55-S50
Download Binary data for this image

» All Filament Data of 20210401 ... 		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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