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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.
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!
16 August

DDO Astronomy Family Night - August 2025 - Seven Sisters - Observing the Pleiades

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!
2 August

DDO Astronomy Family Night - August 2025 - Happy Birthday, Helen Sawyer Hogg!

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!
26 July

DDO Astronomy Family Night - July 2025 - Perseids - Warm Nights, Shooting Stars

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!