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 March to help participants become experienced telescope observers. The two-hour workshops will be offered at 7 p.m. Workshop tickets are $50 per session ($90 for both sessions). Reserve tickets by calling (740) 363-1257. Learn more at