
27
April
City Star Party: Long Branch Park - Last Look At Jupiter - We Are a GO for Tonight April 27, 2025
We are piloting a new City Star Party at Long Branch Park to catch universe from within the city limits. If you don't have a telescope then you will find many astronomers who would love to share a view.

21
May
RASCTO Speaker's Night: The James Webb Space Telescope: a cosmic story for the ages [Online Only]
Join us as Ethan R. Siegel, Ph.D., explores the James Webb Space Telescope.

3
May
DDO Global Star Party for International Astronomy Day! 2025
Join us for a world-wide live stream of events from here and from around the world hosted from the David Dunlap Observatory!

29
June
DDO: Sunday Sungazing - June 2025
Safely observe the sun with us!
During these family-friendly sessions, a DDO Astronomer will answer your questions about our closest star: the sun!

14
June
DDO Astronomy Family Night - June 2025 - Constellations: Connecting the Dots
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!

7
June
DDO Astronomy Speaker's Night - Seeing Double (Stars) - June 2025
Experience a presentation led by astronomy experts and researchers and tour the observatory.

25
May
DDO: Sunday Sungazing - April 2025
Safely observe the sun with us!
During these family-friendly sessions, a DDO Astronomer will answer your questions about our closest star: the sun!

11
April
DDO Astronomy Speaker's Night - What's Inside a Rocky Planet? - April 2025
Experience a presentation led by astronomy experts and researchers and tour the observatory.

4
April
DDO Astronomy Family Night - April 2025 - Lyrids - April Showers
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!

3
May
DDO Global Star Party - International Astronomy Day!
Celebrate International Astronomy Day with a Global Star Party at the Richmond Hill David Dunlap Observatory.