set output 'landolt_stars.ps' 
set term postscript mono 
set grid 
set nokey 
set xlabel 'Right Ascension (degrees) ' 
set ylabel 'Declination (degrees) ' 
set title 'Landolt equatorial standard stars (AJ 88, 439, 1983) '
plot [-10:370][-30:30] './landolt.dat' using 2:3    lw 3 pt 3 ps 0.5  
set output 
quit 
