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18
October
Speaker's Night: When worlds collide: asteroids, comets and the Earth
Join us as Margaret Campbell-Brown, Professor at University of Western Ontario, presents about asteroids, comets and the Earth!
![](/sites/default/files/2023-10/Eclipse%20Sun%20Fun%20Oct14%20Insta%20image.png)
14
October
Sun Fun: Annular Solar Eclipse!
Join the Astronomers at the Richmond Hill David Dunlap Observatory Astronomers and experience the annular eclipse.
Learn about the sun and practice safe solar observing!
![](/sites/default/files/2023-06/Ontario%20Science%20Centre%20June%203rd%202017%2001.jpg)
14
October
Solar Eclipse at Ontario Science Centre - October 14, 2023
Enjoy safe views and learn about the partial Solar Eclispe at the Ontario Science Centre!
![](/sites/default/files/2023-06/Ontario%20Science%20Centre%20June%203rd%202017%2001.jpg)
7
October
Solar Observing at Ontario Science Centre - October 2023 (GO for October 6)
Enjoy safe views of the Sun every first Saturday of the month at the Ontario Science Centre!
![](/sites/default/files/2023-07/osc_at_night_0.jpg)
4
October
Recreational Astronomy Night - Oct. 4, 2023
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.
![](/sites/default/files/2023-08/Speakers%20Night%20Sep29%20Insta%20image.png)
29
September
Astronomy Speaker's Night: Taking Back the Night Sky: What We Can Do About Light Pollution
Come to the DDO where Quinton Weyrich, the outreach coordinator for the Royal Astronomical Society of Canada at the David Dunlap Observatory, as well as a regular Astronomer in Residence at Killarney Provincial Park in Killarney, Ontario, is presenting about the light pollution affecting the night skies!
![](/sites/default/files/2023-08/DDO%20Stargazing%20Night%20Thumbnail.png)
27
September
Stargazing Night - September 2023 (GO for Wednesday)
Bring Your Own Binoculars and observe the sky from the David Dunlap Observatory!
![](/sites/default/files/2023-08/DDO%20Sunday%20Sungazing%20Thumbnail.png)
24
September
DDO: Sunday Sungazing - September 2023
Safely observe the sun with us!
During these family-friendly sessions, a DDO Astronomer will answer your questions about our closest star: the sun!
![](/sites/default/files/2023-08/Speakers%20Night%20Sep23%20Insta%20image.png)
23
September
Astronomy Speaker's Night - Curiosity’s Got its Head in the Clouds: Eleven Years of Cloud Observations from Gale Crater, Mars
Come to the DDO where Conor Hayes, a PhD candidate in Physics and Astronomy at York University, is presenting about the Curiosity rover on Mars!
![](/sites/default/files/2023-07/DDO%20Planetarium%20Day%20Thumbnail_0.png)
23
September
DDO Planetarium Day - September 2023
Enter a Digital Portable Planetarium and take a journey through the universe led by a DDO astronomer!
![](/sites/default/files/2023-06/RASC%2520Millennium%2520Square%25202019-10-04.jpg)
22
September
Millennium Square Public Stargazing 2023 - September (GO for Friday)
Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.
Observe the Moon, Jupiter, Saturn, and stars through our telescopes!
![](/sites/default/files/2023-08/John%20Edward%20Moores-80.jpeg)
20
September
Speaker's Night: The Adventure of Space Science and Exploration: A Canadian Perspective (ONLINE)
Join us as John E. Moores, York Research Chair in Space Exploration, presents about Canadian Space Science and Exploration!