Very nice. Notice that we got different results. When I took Stellar Evolution, we were doing well to get within an order of magnitude with many first order approximations./p> 

$ ./1.astro.pl 
Planet    Right Ascension        Declination
Jupiter    300.371015239225    -20.9886573993409
Saturn    301.438145819967    -20.6756490862067
$ cat 1.astro.pl 
#!/usr/bin/perl 

use strict;
use warnings;
use Time::Piece;
use Astro::Coords;

print qq/Planet\tRight Ascension\t\tDeclination\n/; 

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

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

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

  my $ra  = $planet->ra(format => q/deg/); 
  my $dec = $planet->dec(format => q/deg/); 

  print qq/$name\t$ra\t$dec\n/
}


sleep 2;
__END__ 

$

[download]

We'll see where this folds into the ultimate product. Thanks for yor comments.

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

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