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3 May

DDO Global Star Party for International Astronomy Day! 2025

Join us for a world-wide live stream of events from here and from around the world hosted from the David Dunlap Observatory!
3 May

DDO Global Star Party - International Astronomy Day!

Celebrate International Astronomy Day with a Global Star Party at the Richmond Hill David Dunlap Observatory.
25 May

DDO: Sunday Sungazing - April 2025

Safely observe the sun with us! During these family-friendly sessions, a DDO Astronomer will answer your questions about our closest star: the sun!
7 June

DDO Astronomy Speaker's Night - Seeing Double (Stars) - June 2025

Experience a presentation led by astronomy experts and researchers and tour the observatory.
14 June

DDO Astronomy Family Night - June 2025 - Constellations: Connecting the Dots

Families will be introduced to the wonders of astronomy through a presentation on a variety of exciting astronomy topics, followed by age-appropriate celestial activities!
29 June

DDO: Sunday Sungazing - June 2025

Safely observe the sun with us! During these family-friendly sessions, a DDO Astronomer will answer your questions about our closest star: the sun!