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29 July

Astronomy Speaker's Night: Taking Back the Night Sky: What We Can Do About Light Pollution (CANCELLED)

Abstract: In this talk, Quinton Weyrich will discuss his experience as an Astronomer in Residence at Killarney Provincial Park, the first provincial park in Ontario to be designated a dark sky preserve. He will discuss what commitments a location must make in order to be designated a dark sky preserve and why the reduction of ambient light within them is scientifically and culturally valuable.
27 July

City Star Party - July 2023 (GO for Thrusday)

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 July

Age of the Universe

This summer, the University of Toronto and the Dunlap Institute of Astronomy and Astrophysics are holding a workshop for grade 11 and 12 students in the GTA which aims to provide a hands-on introduction to coding, lectures on cutting-edge astrophysics, and answers to your questions about university.
25 July

Stargazing Night - July 2023 (GO for Tuesday)

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

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.
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?
22 July

DDO Planetarium Day - July 2023

Visitors aged 6 and older will enter a Digital Portable Planetarium and take a journey through the universe led by a DDO astronomer.
21 July

Millennium Square Public Stargazing 2023 - July (GO for Friday)

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square. Observe the Moon and stars through our telescopes! (We might even catch Saturn if it rises high enough before midnight.)
9 July

DDO: Sunday Sungazing - July 2023

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

Solar Observing at Ontario Science Centre - July 2023 (GO for July 8)

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