
15
October
RASCTO Speaker's Night: Quasars: Black Holes You Can "See" [Online Only]
Join us as Prof. Patrick Hall explores Quasars.

24
October
RASC Toronto Centre Fall Winter Star Party at CAO 2025
The cold crisp nights of winter contain many wonderful and bright winter constellations and deep sky objects, but they can come with numb fingers and cold toes, treacherous driving conditions, and equipment challenges.

24
October
Millennium Square Public Star Party - October 24 or 25, 2025
Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.

26
October
DDO: Sunday Sungazing - October 2025
Safely observe the sun with us!
During these family-friendly sessions, a DDO Astronomer will answer your questions about our closest star: the sun!

1
November
DDO Astronomy Family Night - November 2025 - Howl at the Supermoon
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
November
Recreational Astronomy Night - November 5, 2025
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.

19
November
RASCTO Speaker's Night: Structure, Composition, and Internal Dynamics of Rocky Planets [Online Only]
Join us as Prof. Charles-Édouard Boukaré explores the Structure, Composition, and Internal Dynamics of Rocky Planets

30
November
DDO: Sunday Sungazing - November 2025
Safely observe the sun with us!
During these family-friendly sessions, a DDO Astronomer will answer your questions about our closest star: the sun!

3
December
Recreational Astronomy Night - December 3, 2025
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.

6
December
DDO Astronomy Family Night - December 2025 - The Blue Marble
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!