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

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

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.

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.

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.

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.

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.

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

Free,self-guided tours of the DDO resume 1-5 PM on May 31st, the 90th anniversary of the RHDDO!