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19 July

DDO Astronomy Family Night - July 19, 2024

Join us for the wonders of astronomy through a presentation on a variety of exciting astronomy topics, followed by an age-appropriate celestial activities and a demonstration of the 74” telescope.
4 September

[ONLINE] Recreational Astronomy Night - September 4, 2024

Join us for our monthly recreational astronomy night meeting. This is where our members get to show their latest projects or give tutorials and tips on just about everything to do with astronomy.
17 June

DDO Bring Your Own Binoculars Stargazing Night - June 2024 (GO for Monday)

Bring your own binoculars for a free, guided tour of the night sky.
31 May

City Star Party: Long Branch Park (Pilot Project) - NO GO For July 7, 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.
14 May

Speaker's Night: An Astrophysical Mystery: Galaxy Quenching at High Redshifts [OnlIne]

Join us as Ms Maheen Hemani, York University Undergraduate, explores red-shifts of Galaxies!
5 April

The Sky This Month - April 2023

Arnold Brody takes his turn at showing us the celestial highlights for the month of April and doesn't miss a chance to remind us about the Millennium Square Public Stargazing Event on April 28 that he is organizing. Arnold is a member of the Royal Astronomical Society of Canada - Toronto Centre and gave his presentation to the Recreational Astronomy Night Hybrid meeting held April 5, 2023 at the Ontario Science Centre.
2 May

[AstroTours] And then there was (more) light: The violent births of stars

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

UofT Lecture: A Human Expedition to Mars [In-Person and Online]

Human exploration of the red planet has been seriously discussed since the 1940s, but no mission concept has gone beyond the planning stage. Why? Join Maria Zuber — the first woman to lead a science department at the Massachusetts Institute of Technology and the first to lead a NASA planetary mission — as she explores the possibility of a human expedition to Mars.
23 May

DDO Bring Your Own Binoculars Stargazing Night - May 2024 (GO for Thrusday)

Bring your own binoculars for a free, guided tour of the night sky.
11 May

Doors Open Richmond Hill 2024 at the DDO

Join Heritage Services for a tour of our historic observatory and administration buildings.