Public Telescope Nights: The Clay Center Observatory, on the campus of Dexter Southfield School (20 Newton Street in Brookline; 5th floor), holds Public Telescope Nights 8PM to 9PM on Tuesdays through November (except October 31 and November 21). Go here to pick a date and register in advance. Events are canceled if weather is rainy or overcast: Call 617-454-2795 one hour before the event for a recorded message.
Introduction to Astronomy: The Clay Center Observatory at Dexter Southfield has teamed up with Newton Community Education to offer a course about telescopes, constellations, sky navigation, Earth’s seasons, and phases of the moon. Weather permitting, the class will use the Clay Center’s 25” research-grade telescope and other telescopes — and also explore the fiber-optic-lit Stars Court and the 3D Moon Court. Three Wednesdays starting October 18, 6:30-8:30PM at the Clay Center at Dexter Southfield School. $75 fee. Register here.