29
August
RHDDO How to Use Your Telescope for RASCTO - August 2026
Are you a RASC member with a telescope, and you want some tips on how to use it?
11
July
RHDDO How to Use Your Telescope for RASCTO - July 2026
Are you a RASC member with a telescope, and you want some tips on how to use it?
29
August
RHDDO Tom Talks Astronomy - August 2026: "Expedition to the Bizarre and Extreme Cosmos!"
Join us for a family-friendly, multimedia talk hosted by TEDx speaker Tom Vassos!
26
September
RHDDO Tom Talks Astronomy - September 2026: "Revealing Our Star-Studded Origins!"
Join us for a family-friendly, multimedia talk hosted by TEDx speaker Tom Vassos!
26
September
RHDDO How to Use Your Telescope - September 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!
31
August
RHDDO Stargazing Night - August 2026
Bring your own binoculars for a free, guided tour of the night sky.
20
July
RHDDO Stargazing Night - July 2026
Bring your own binoculars for a free, guided tour of the night sky.
11
July
RHDDO Tom Talks Astronomy - July 2026: "Amazing Time Travel in Movies and Science!"
Join us for a family-friendly, multimedia talk hosted by TEDx speaker Tom Vassos!
29
August
AICO Astro Fair 2026
Join us for a fair of astronomical proportions at York University with the Allan I Carswell Observatory and our event partners.
20
August
RHDDO Summertime Telescope Night - August 20, 2026
Come view the summer sky through Canada's largest optical telescope!