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10 August

DDO Astronomy Night (WAITLIST)

Visit a unique historical site in Richmond Hill and experience an engaging presentation led by expert and researchers in astronomy, covering a variety of exciting astronomy topics. After the presentation, participants will tour the observatory and see a demonstration of the 74" telescope. If the sky is clear, the dome will be opened and the telescope pointed to an interesting celestial object for the visitors to view. Please wear/bring appropriate supplies for being outdoors. All registered participants under the ages of 16 must be accompanied by a registered adult.
14 September

DDO Astronomy Night (CANCELLED)

Speaker: Paul Delaney, University Professor, Senior Lecturer, Allan I. Carswell Chair for the Public Understanding of Astronomy, York University
15 September

DDO Planetarium Days (CANCELLED)

This Fall and Winter, spend a Sunday afternoon in the OTHER dome at the DDO!
11 May

DDO: Doors Open Richmond Hill

Let’s Celebrate International Astronomy Day!
21 September

DDO Astronomy Family Night (WAITLIST)

Families will be introduced to the wonders of astronomy through a presentation on a variety of exciting astronomy topics, followed by age-appropriate celestial activities and a demonstration of the 74" telescope. If the sky is clear the dome will be opened and the telescope pointed to an interesting celestial object for the visitors to view. All participating family members must be registered and any participants under the age of 16 must be accompanied by a registered adult.
17 August

DDO Astronomy Family Night (WAITLIST)

Families will be introduced to the wonders of astronomy through a presentation on a variety of exciting astronomy topics, followed by age-appropriate celestial activities and a demonstration of the 74" telescope. If the sky is clear the dome will be opened and the telescope pointed to an interesting celestial object for the visitors to view. All participating family members must be registered and any participants under the age of 16 must be accompanied by a registered adult.
20 October

DDO Planetarium Days (WAITLIST)

This Fall and Winter, spend a Sunday afternoon in the OTHER dome at the DDO! Join us in the Starlab Digital Planetarium and take an interactive journey through the Universe, led by a DDO astronomer. Tour the night sky and see close-up views of galaxies, nebulas, and star clusters, view our Solar System's Planets and alien exo-planets, land on the moon, Mars - and the Sun, travel home to Earth from the edge of the Universe, hear Indigenous starlore, and watch immersive fulldome movies!
10 November

DDO Planetarium Days (WAITLIST)

This Fall and Winter, spend a Sunday afternoon in the OTHER dome at the DDO! Join us in the Starlab Digital Planetarium and take an interactive journey through the Universe, led by a DDO astronomer. Tour the night sky and see close-up views of galaxies, nebulas, and star clusters, view our Solar System's Planets and alien exo-planets, land on the moon, Mars - and the Sun, travel home to Earth from the edge of the Universe, hear Indigenous starlore, and watch immersive fulldome movies!
8 December

DDO Planetarium Days (WAITLIST)

This Fall and Winter, spend a Sunday afternoon in the OTHER dome at the DDO! Join us in the Starlab Digital Planetarium and take an interactive journey through the Universe, led by a DDO astronomer. Tour the night sky and see close-up views of galaxies, nebulas, and star clusters, view our Solar System's Planets and alien exo-planets, land on the moon, Mars - and the Sun, travel home to Earth from the edge of the Universe, hear Indigenous starlore, and watch immersive fulldome movies!
12 January

DDO Planetarium Days (WAITLIST)

This Winter, spend a Sunday afternoon in the OTHER dome at the DDO! Join us in the Starlab Digital Planetarium and take an interactive journey through the Universe, led by a DDO astronomer. Tour the night sky and see close-up views of galaxies, nebulas, and star clusters, view our Solar System's Planets and alien exo-planets, land on the moon, Mars - and the Sun, travel home to Earth from the edge of the Universe, hear Indigenous starlore, and watch immersive fulldome movies!