4
July
Millennium Square Public Star Party - July 4, 2025 (GO for Friday)
Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.

7
July
DDO Bring Your Own Binoculars Stargazing Night - July 2025
Bring your own binoculars for a free, guided tour of the night sky.

12
July
Millennium Square Solar Observing - July 2025
Come join us along the Lake Ontario shoreline to safely observe exciting sunspot activity and solar prominences through our solar telescopes! The Sun has been very active lately, producing auroras over Canada and around the world.

12
July
DDO Astronomy Family Night - July 2025 - Comet Collision Course - When Shoemaker-Levy 9 Hit Jupiter
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!

28
July
City Star Party: Bayview Village Park - July 2025
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.

1
August
Millennium Square Public Star Party - August 1 or 2, 2025
Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.

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!

4
August
DDO Bring Your Own Binoculars Stargazing Night - August 2025
Bring your own binoculars for a free, guided tour of the night sky.

9
August
Millennium Square Solar Observing - August 2025
Come join us along the Lake Ontario shoreline to safely observe exciting sunspot activity and solar prominences through our solar telescopes! The Sun has been very active lately, producing auroras over Canada and around the world.

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!

25
August
City Star Party: Bayview Village Park - August 2025
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.