(from an event that took place on April 13, 2026, in Douglas, MI)

• Expo Program
• Join us! Friends of the Night Sky
• Basics: DarkSky Factsheets | 5 Principles for Outdoor Lighting
• Photo: Night Sky Subjects | Night Photos with iPhone
• Home Updates: Products | Assessment and Checklist
• Ordinances: What Should One Include? | Dark Sky Template
• Vision: The Rainbow Bridge
• Ecology: Night Flora and Fauna
• Astronomy: April 2026 Evening SkyMap
• Citizen Science: Instructions for Globe at Night
• Research: Artificial Light at Night: State of the Science (2025)