Enjoy the night skies in the warmth of the Detwiler planetarium at Lycoming College Menu Links in this section November 29, 2016 Download Image: Web Learn more about planets, stars and other objects in the universe during two shows in the Detwiler Planetarium at Lycoming College on Dec. 2 as part of Williamsport First Friday events. Two Lycoming College physics students will present the shows, to be held at 6:30 and 7:15 p.m. The events are open to the public. Free tickets are available that evening starting at 5 p.m. outside the planetarium. Seating is first come, first seated.