
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.

16
April
RASCTO Speaker's Night: The Canada-France-Hawaii Telescope: a Journey through Space and Time [Online Only]
Join us as Dr. Nadine Manset, Director of Science Operations at CFHT explores the Canada-France-Hawaii Telescope.

19
March
RASCTO Speaker's Night: An Educational Guide to AICO's QUAIL Telescope [Online Only]
Join us as Alex Jude, BSc candidate, science educator, York University explores the AICO's QUAIL Telescope.

1
March
DDO Astronomy Speaker's Night -Seeing Double (Stars) - March 2025
Experience a presentation led by astronomy experts and researchers and tour the observatory.

19
February
RASCTO Speaker's Night: The Shock of Discovery: JWST, Exoplanet Science, and AICO [Online Only]
Join us as Aiden Weatherbee, AICO/ Space Engineering, York University talk about how JWST has transformed nearly ever field if Astronomy .

24
October
Millennium Square Public Star Party - October 24 or 25, 2025
Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.

26
September
Millennium Square Public Star Party - September 26 or 27, 2025
Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.

29
August
Millennium Square Public Star Party - August 29 or 30, 2025
Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.

1
August
Millennium Square Public Star Party - August 1 or 2, 2025 (GO for Friday)
Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.