libnova is a Celestial Mechanics, Astrometry and Astrodynamics Library written in C. Just yesterday, I uploaded an inital, thin XS wrapper to CPAN as Astro::Nova, so we can use it from Perl.

Here's a simple example that calculates the current moon rise, transit and set times at my home in Karlsruhe using Astro::Nova. It's quite similar to the equivalent example of the C version.

use strict;
use warnings;
use Astro::Nova…