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12 August

Perseid Meteor Shower Watch 2023 (SOLD OUT)

Come watch the Perseids, one of the best meteor showers of the year, on the open field beside the Rouge Valley Conservation Centre.
25 July

RASCTO Backyard Astronomy at Richmond Hill Public Library

Have you ever looked up at the night sky and wondered what's out there?
22 July

RASCTO Sun Fun at Richmond Hill Public Library

Summer is time for fun in the sun, but what do you really know about our nearest star?
25 July

Stargazing Night - July 2023 (GO for Tuesday)

Bring Your Own Binoculars and observe the sky from the David Dunlap Observatory!
5 August

Astronomy Family Night - August 2023

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.
7 July

Astronomy Family Night - July 2023

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.
7 October

Solar Observing at Ontario Science Centre - October 2023 (GO for October 6)

Enjoy safe views of the Sun every first Saturday of the month at the Ontario Science Centre!
2 September

Solar Observing at Ontario Science Centre - September 2023 (GO for September 2)

Enjoy safe views of the Sun every first Saturday of the month at the Ontario Science Centre!
5 August

Solar Observing at Ontario Science Centre - August 2023 (GO for August 5)

Enjoy safe views of the Sun every first Saturday of the month at the Ontario Science Centre!
22 July

City Star Party: Long Branch - July 2023 (Pilot Project) Is a 'GO" for Sat. July 22, 2023)

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.