Title:  Light Pollution and Dark Skies in Southern Arizona and Beyond Presentation:  The world at night is lighting up at an alarming rate. A host of ecological and social consequences comes with this rapid environmental change, but solving this problem is simple and cost effective. In this talk John will review what we know (and don't … Continue reading HYBRID – General Meeting – Aug 2023 →

Main Presentation:   Solar Eclipses Presenter: Connor Justice This month in preparation for the October Annular Eclipse, Connor Justice will giving an updated talk on Solar Eclipses.

Title:  Civil Planetary Defense: The Catalina Sky Survey Needs Your Help Discovering New Asteroids The Catalina Sky Survey (CSS) has been in operation since the late 90’s with the goal of discovering and tracking Near-Earth Asteroids (NEAs). Headquartered in Tucson, with its primary telescopes on Mt. Lemmon, CSS plays a major role in Earth’s planetary … Continue reading HYBRID – General Meeting – September 2023 →