Astro123 is a web-based application that helps people explore and learn about the night sky. It provides detailed star charts of the night sky, which can be used to identify stars, constellations, planets, and other celestial objects. It also provides a comprehensive database of astronomical information, including information about various types of stars, galaxies, and other objects in the universe. Additionally, Astro123 provides educational resources such as tutorials, interactive simulations, and quizzes to help users better understand and appreciate the wonders of the night sky.
Discontinued Astrolog32 ver 2.x has been discontinued and replaced by StarFisher (http://alternativeapp.info/software/starfisher/). The latest version, 2.02, released in May 2007, can still be downloaded from the official website.