David Dunlap Observatory grounds Missed connection 📍 Richmond Hill, ON 📍 David Dunlap Observatory 📅 Thursday, May 14, 2026 at 10:02 AM Posted 5 months ago by GoldenLake7186 Observatory grounds evening program, you asked whether that bright one was a planet or a plane. It was a plane. We made it a bit anyway. Connect Log in to send a message to the poster.