August 21, 2020 @ 12:00 PM - August 22, 2020 @ 4:00 AM EDT AAA Public Observing | Lincoln Center | Friday, 21 Aug 2020
September 2, 2020 @ 11:00 PM - October 22, 2020 @ 1:00 AM EDT 2020 Fall Class: Multi-wavelength Astronomy and Telescopes
September 25, 2020 @ 12:00 AM - November 6, 2020 @ 3:00 AM EDT 2020 Fall Class: Urban Astrophotography
October 6, 2020 - October 7, 2020 The Universal Timekeeper: Reconstructing History Atom by Atom David Helfand Columbia University
October 10, 2020 @ 11:00 PM - October 11, 2020 @ 2:00 AM EDT An Evening of Stargazing and Social-Distance Socializing