Join us on the evening of the Summer Solstice for free public stargazing along the north shore of Lake Ontario, at Millennium Square in Pickering.

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

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.

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.

Bring your own binoculars for a free, guided tour of the night sky.

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.

Members and their families are cordially invited to attend the 26th Annual E.C. Carr Astronomical Observatory (CAO) Open House and RASC Toronto Centre Awards Picnic on Saturday, July 26th, 2025. With ample shelter available in the house and observatory, this is a rain or shine event, so plan to be there. It provides a great opportunity to network and socialize with your fellow members. Please save the date and watch this space and our messaging Forum for more details closer to the date.

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.

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.

Bring your own binoculars for a free, guided tour of the night sky.

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.

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.