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20230402 - Filament data for 10 UTC
Available data for 20230402: »10 UTC   »11 UTC   »12 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1  793 1739 (N29E40 L=201)   826    198        2 ( 747/1666- 834/1826) -60.3 E45-E35 N23-N37
      2 1690 1610 (N56W38 L=279)   559     54        1 (1668/1580-1710/1636)  36.9 W32-W45 N51-N60
      3  802 1526 (N16E28 L=213)   533    127        0 ( 752/1482- 844/1562) -12.5 E32-E23 N13-N17
      4 1731 1136 (N22W41 L=282)   859    207        0 (1656/1050-1778/1189) -18.4 W34-W46 N17-N23
      5  297 1094 (S21E50 L=191)   319     72        1 ( 272/1058- 329/1127)  38.7 E52-E47 S23-S18
      6  358 1005 (S25E43 L=198)   507    168        0 ( 302/ 937- 411/1070)  51.3 E47-E39 S29-S19
      7  750  747 (S30E08 L=232)  1249    341        3 ( 603/ 691- 901/ 799)   8.1 E19-W02 S31-S26
      8  439  446 (S61E35 L=206)   469     70        0 ( 414/ 416- 470/ 477) -45.0 E38-E29 S63-S58
      9 1432  396 (S28W51 L=291)   397     87        1 (1392/ 369-1473/ 426)  68.2 W48-W52 S30-S24
     10  805  197 (S68W31 L=271)   444     70        0 ( 789/ 161- 825/ 231) -17.5 W23-W42 S70-S64
Download Binary data for this image

» All Filament Data of 20230402 ... 		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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