6:00 pm: OAS Antelope Island Star Party 9-19-2026 Category: Free Community Events 6:00 pm: OAS Antelope Island Star Party 9-19-2026 6:00 pm September 19, 2026 Antelope Island State ParkWhite Rocks Campground RdSyracuse, Utah 84075United StatesView LocationMap Antelope Island State Park