
17
September
RASCTO Speaker's Night: Supernova Forensic Files [Online Only]
Join us with Dr. Jennifer Andrews, Associate Astronomer at NOIRLab/Gemini-N, as we explore massive stars, stars at least 8-10 times larger than our Sun, end their lives in some of the brightest explosions in the Universe.

20
September
City Star Party: Long Branch Park: Fall Equinox
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.

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.

26
September
Millennium Square Public Star Party - September 26 or 27, 2025
Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.

29
September
City Star Party: Bayview Village Park - September 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
October
Recreational Astronomy Night - October 1, 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.
4
October
International Observe the Moon Night 2025
Join us for International Observe the Moon Night to learn about lunar science and exploration, take part in celestial observations, and honor cultural and personal connections to the Moon.

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 w

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.

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.

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.