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Telescope workshop, “Part 1: Telescope Basics—Refractors and Reflectors Use and Basic Maintenance & Part 2: Learning to Navigate the Sky—Using Charts and Apps,” at Perkins Observatory, 3199 Columbus Pike (U.S. 23), Delaware. The observatory is offering two workshops in September and October to help participants become experienced telescope observers. The two-hour workshops will be offered at 7 p.m. on the first Thursday of the month. Workshop tickets are $50 per person ($80 per person if one signs up for both workshops). Reserve tickets by calling (740) 363-1257. Learn more at owu.edu/perkins.