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31 May

David Dunlap Observatory 90th Anniversary Star Party

Free,self-guided tours of the DDO resume 1-5 PM on May 31st, the 90th anniversary of the RHDDO!
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!
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

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.
4 July

Millennium Square Public Star Party - July 4 or 5, 2025

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.
30 May

Millennium Square Public Star Party - May 30 or 31, 2025

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.
2 May

Millennium Square Public Star Party - May 2, 2025 (GO for Friday)

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.
4 April

Millennium Square Public Star Party - April 4 or 5, 2025 (No-GO for April)

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.