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7 August

[AstroTours] Unearthing Stellar Fossils of our Galactic History

Check out the August AstroTour! This AstroTour features Dr. Ronan Kerr's talk on star formation and what it can tell us about our galaxy, followed by exciting astronomy demos and telescope tours!
9 August

DDO Ask an Astronomer - August 2025

Ask a DDO Astronomer your astronomy questions!
20 July

City Star Party: Long Branch Park - Peak Summer Stars (GO for Sunday)

We are piloting a new City Star Party at Long Branch Park to catch universe from within the city limits. If you don't have a telescope then you will find many astronomers who would love to share a view.
3 July

[AstroTours] When Black Holes Collide: Studying the Cosmos with Gravitational Waves & Data Science

Check out the July AstroTour! July AstroTour features UofT PhD Student Utkarsh Mali's talk on black holes and gravitational waves, followed by exciting astronomy demos and telescope tours!
28 July

City Star Party: Bayview Village Park - July 2025 (GO for Monday)

Our monthly City Star Party is the place to catch universe from within the city limits at Bayview Village Park. If you don't have a telescope then you will find many astronomers who would love to share a view.
26 June

Announcing the Open Air Astro Fair for 2025!

Join us for a fair of astronomical proportions at York University with the Allan I Carswell Observatory and the RASC Toronto Center, as well as other partners.
20 September

DDO Spectacular Saturn - The Ringed Planet at Opposition 2025

Join us for the wonders of astronomy through a presentation on the ring planet Saturn, followed by an age-appropriate celestial activities and a demonstration of the 74” telescope.
13 September

DDO Astronomy Family Night - September 2025 - Who Really Discovered Neptune?

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!
5 September

DDO Astronomy Family Night - September 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!
31 August

DDO: Sunday Sungazing - August 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!