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20 November

RASCTO Speaker's Night: Stellar Siblings: Binary Stars and Star Clusters in the Milky Way and Beyond [Online Only]

Join us as Claude Cournoyer-Cloutier from McMaster University explores binary stars and clusters in the Milky Way.
26 October

Millennium Square - See the Comet Party (GO for Saturday)

Join us for a rare chance to see a brilliant comet as it graces our western sky after sunset.
24 October

[AstroTours] Keynote AstroTour Featuring Dr. Becky Smethurst: It’s not easy growing a supermassive black hole

Check out the May AstroTour! May AstroTours features Shivan Khullar's talk on how stars form, followed by exciting astronomy demos and telescope tours!
26 October

City Star Party: Long Branch Park (Pilot Project) October 2024 - 2 (GO for Oct 26)

Hover above the Moon like an astronaut and get eye-to-eye with the planets. Find colourful stars, star clusters, bright nebulae and even another galaxy.
5 October

City Star Party: Long Branch Park (Pilot Project) - We are GO for Tonight October 5, 2024

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.
27 October

DDO: Sunday Sungazing - October 2024

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

DDO Astronomy Family Night - International Astronomy Day! - October 2024

Families will see a presentation on a variety of exciting astronomy topics, followed by age-appropriate celestial activities. The 74” telescope is under restoration and will not be available for this program.
16 October

RASCTO Speaker's Night: Galactic Archaeology: Exploring the Galaxy's History with Chemical Abundances [Online Only]

Join us as Cassia Bond from York University explores our Galactic Archaeology.
14 September

Millennium Square Moon Gazing - September 2024 (GO for Saturday)

Join us for an evening of moon watching along the north shore of Lake Ontario at Millennium Square for International Observe the Moon Night.
28 September

City Star Party: Long Branch Park (Pilot Project) - September 2024

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.