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15 April

RASCTO Speaker's and Social Night: To The Moon - With Robots and Humans

Join us as Dr.Gordon "Oz" Osinski explore the Artemis Missions and the journey of returning to the Moon!
26 April

DDO: Sunday Sungazing - April 2026

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

Recreational Astronomy Night - May 6, 2026

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.
20 May

Speaker and Social Nights at the RHDDO and Online

Speaker: To be announced Title: To be announced Abstract: To be announced Who can attend: Everyone Fee: No Charge Locations:
31 May

DDO: Sunday Sungazing - May 2026

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 June

Recreational Astronomy Night - June 3, 2026

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.
27 June

DDO How to Use Your Telescope - June 2026

Do you have a telescope, but don’t know how to use it? Come to the Richmond Hill David Dunlap Observatory can help! Bring your telescope to this workshop to have it assessed and to receive one-on-one instruction on its use outdoors!
27 June

DDO Astronomy Speaker's Night - June 2026 - What (out of) the World are Fast Radio Bursts?

Experience a presentation led by astronomy experts and researchers and tour the observatory.