 ALPO publishes a quarterly periodical, "The Strolling Astronomer - The Journal of the Association of Lunar and Planetary Observers" (, ) since 1947, referred to by abbreviation as both StAst and JALPO.It has published other material on specialized subjects like Saturn, sometimes later becoming a major publication of note through a major publisher.ALPO also occasionally issues small works on either astronomical topics or their conference proceedings in its "ALPO Monographs" series.