set output '_iyuma_4__closeup.ps' 
set term postscript color 'Helvetica,18'  
set grid 
set nokey 
set xlabel 'Julian Date - 2453800' 
set title '_iyuma field,  4-pix diff mag, 12-inch, 2006 Apr 12 UT'
plot [37.55:37.60][2.5:-1.0] 'starA_.dat4' using ($5-2453800):((-0.8)+$7-0)   lt 1 pt 1 lw 4 t 'shifted A', 'starIY_.dat4' using ($5-2453800):($7-0) lt 2 ps 2.0 pt 2 lw 4, 'starB_.dat4' using ($5-2453800):($7-0) lt 3 pt 3  lw 4 
set output 
quit 
