INSTRUME keyword defines which camera system

== Level 0 Images ==
== 1 ==
1st character is based on Camera: MapCam M
PolyCam P SamCam S NavCam N TAGCam T


== 2-10 ==
ET in seconds

== 11 == 
Always 'F'

== 12 ==

 * MapCam - based upon the filter wheel position (CAMERAID = 1)
   || Filt Pos || char ||
   || 0     ||  0  ||
   || 720   ||  0  ||
   || 630   ||  1  ||
   || 540   ||  2  ||
   || 360   ||  3  ||
   || 270   ||  4  ||
   || 180   ||  5  ||
   || 90    ||  6  ||
   || 30    ||  7  ||

 * SamCam - based upon the filter wheel position (CAMERAID = 2)
   Filter position is defined with variable NQ and stored in [[make_sumfiles.in]]
   || Filt Pos || char ||
   || 0 ||  0  ||
   || 720 ||  0  ||
   || 600 ||  1  ||
   || 480 ||  2  ||
   || 360 ||  3  ||
   || 240 ||  4  ||
   || 120 ||  5  ||

  * PolyCam - (CAMERAID = 3)

   What it really is
   {{{
        NQ=Filter Position

        Find the index (I) that is closest to motor position
        Then
           K=93-I
       
        IF(K.LT.0) K=93-K
        I=K/10
         K=K-10*I

       PICNM(11:11)=CHAR(65+I)   # 65 is an upper case 'A'
       PICNM(12:12)=K

   }}}

   Source from PROCESS_FITS.f
   {{{
     IF(NC.EQ.3) THEN
        NQ=FLT
        K=0
        DO I=116,0,-1
          IF(NQ.LE.STEP(I+1)) K=93-I
        ENDDO
        IF(K.LT.0) K=93-K
        I=K/10
        K=K-10*I
        PICNM(11:11)=CHAR(65+I)
        FLT=K
      ENDIF
...
      WRITE(PICNM(12:12),FMT='(I1)') FLT
 

  }}}


  * NavCam (CAMERAID = 4)

    FLT = 0

  * NFTCam (CAMERAID =5)

    FLT = 0


== Level 1 Images ==
Everything is the same except for position 11

  * PolyCam
      PICNM(11:11)=CHAR(ICHAR(PICNM(11:11))+13)
  * MapCam, NavCam, etc.
      G