London RASCals Astro-Images AstroGallery v1.6beta was written by Rick Saunders in PHP and was designed solely to be a small, fast astrophoto gallery for Linux. The main application consists of a singlePHP script with additonal functionality provided by the ImageMagick package's 'convert' utility to scale thumbnails. AstroGallery employs a PostgreSQL database to hold it's information.