Use Astro::Telescope to calculate the position in the sky from your location: 
#!/usr/bin/perl 

use strict;
use warnings;
use Time::Piece;

use Astro::Coords;
use Astro::Telescope;

print qq/Planet\tAzimuth\t\t\tElevation\n/; 

for my $name (qw/Jupiter Saturn/) {

  my $planet = Astro::Coords->new(planet => $name);

  $planet->datetime(Time::Piece->new);

  $planet->telescope(Astro::Telescope->new(
    Name => q/1600 Pennsylvania Ave, Washington DC/, 
    Long => -77, 
    Lat  => 38.9, 
    Alt  => 16.7)); 

  my $az = $planet->az(format => 'deg'); 
  my $el = $planet->el(format => 'deg'); 

  print qq/$name\t$az\t $el\n/
}

[download]
Output: 
Planet	Azimuth			Elevation
Jupiter	132.670727106298	 -7.05306603251409
Saturn	131.551952092501	 -7.04332546770451

In reply to Re^3: calculating planet conjunction with mojo front end by Anonymous Monk
in thread calculating planet conjunction with mojo front end by Aldebaran

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